diff --git a/advancedcontentfilter/advancedcontentfilter.php b/advancedcontentfilter/advancedcontentfilter.php
index 84eb468c..c03034cd 100644
--- a/advancedcontentfilter/advancedcontentfilter.php
+++ b/advancedcontentfilter/advancedcontentfilter.php
@@ -33,7 +33,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\BaseModule;
 use Friendica\Content\Text\Markdown;
 use Friendica\Core\Hook;
@@ -42,7 +41,6 @@ use Friendica\Core\Renderer;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
 use Friendica\DI;
-use Friendica\Model\Item;
 use Friendica\Model\Post;
 use Friendica\Model\Tag;
 use Friendica\Model\User;
@@ -273,7 +271,7 @@ function advancedcontentfilter_content()
 				'rule_expression'   => DI::l10n()->t('Rule Expression'),
 				'cancel'            => DI::l10n()->t('Cancel'),
 			],
-			'$current_theme' => DI::app()->getCurrentTheme(),
+			'$current_theme' => DI::appHelper()->getCurrentTheme(),
 			'$rules' => DBA::toArray(DBA::select('advancedcontentfilter_rules', [], ['uid' => DI::userSession()->getLocalUserId()])),
 			'$form_security_token' => BaseModule::getFormSecurityToken()
 		]);
diff --git a/birdavatar/birdavatar.php b/birdavatar/birdavatar.php
index 4841ba52..9a9dce0a 100644
--- a/birdavatar/birdavatar.php
+++ b/birdavatar/birdavatar.php
@@ -6,7 +6,6 @@
  * Author: Fabio <https://kirgroup.com/profile/fabrixxm>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/blackout/blackout.php b/blackout/blackout.php
index 55fb8d32..a3f806ff 100644
--- a/blackout/blackout.php
+++ b/blackout/blackout.php
@@ -44,7 +44,6 @@
  * THE SOFTWARE.
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/bluesky/bluesky.php b/bluesky/bluesky.php
index 91e524fe..aa4bc340 100644
--- a/bluesky/bluesky.php
+++ b/bluesky/bluesky.php
@@ -98,7 +98,7 @@ function bluesky_install()
 
 function bluesky_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function bluesky_check_item_notification(array &$notification_data)
diff --git a/buglink/buglink.php b/buglink/buglink.php
index 78fb8bef..b7dd6504 100644
--- a/buglink/buglink.php
+++ b/buglink/buglink.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <mike@macgirvin.com>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/calc/calc.php b/calc/calc.php
index a8a340c4..76d1805c 100644
--- a/calc/calc.php
+++ b/calc/calc.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -16,7 +15,7 @@ function calc_install() {
 
 function calc_app_menu(array &$b)
 {
-	$b['app_menu'][] = '<div class="app-title"><a href="calc">Calculator</a></div>'; 
+	$b['app_menu'][] = '<div class="app-title"><a href="calc">Calculator</a></div>';
 }
 
 /**
@@ -296,7 +295,7 @@ $o .=  <<< EOT
 <h3>Calculator</h3>
 <br /><br />
 <table>
-<tbody><tr><td> 
+<tbody><tr><td>
 <table bgcolor="#af9999" border="1">
 <tbody><tr><td>
 <table border="1" cellpadding="2" cellspacing="2">
@@ -323,7 +322,7 @@ $o .=  <<< EOT
 	<td><input name="multiplication" value="&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;" onclick="multiplyNumbers()" type="button"></td>
 </tr><tr align="left" valign="middle">
 	<td><input name="zero" value="&nbsp;&nbsp;0&nbsp;&nbsp;&nbsp;" onclick="addDisplay(0)" type="button"></td>
-	<td><input name="pi" value="&nbsp;Pi&nbsp;&nbsp;" onclick="addDisplay(Math.PI)" type="button"> </td> 
+	<td><input name="pi" value="&nbsp;Pi&nbsp;&nbsp;" onclick="addDisplay(Math.PI)" type="button"> </td>
 	<td><input name="dot" value="&nbsp;&nbsp;&nbsp;.&nbsp;&nbsp;&nbsp;" onclick='addDisplay(".")' type="button"></td>
 	<td><input name="division" value="&nbsp;&nbsp;&nbsp;/&nbsp;&nbsp;&nbsp;" onclick="divideNumbers()" type="button"></td>
 </tr><tr align="left" valign="middle">
@@ -345,13 +344,13 @@ $o .=  <<< EOT
 </form>
 
 	<!--
-	<TD VALIGN=top> 
+	<TD VALIGN=top>
 		<B>NOTE:</B> All sine and cosine calculations are
 		<br>done in radians. Remember to convert first
 		<br>if using degrees.
 	</TD>
 	-->
-	
+
 </td></tr></tbody></table>
 
 
diff --git a/catavatar/catavatar.php b/catavatar/catavatar.php
index 2116ac44..2bdf0cca 100644
--- a/catavatar/catavatar.php
+++ b/catavatar/catavatar.php
@@ -6,11 +6,9 @@
  * Author: Fabio <https://kirgroup.com/profile/fabrixxm>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
-use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
diff --git a/cookienotice/cookienotice.php b/cookienotice/cookienotice.php
index 2bd6f9b1..bc9d2416 100644
--- a/cookienotice/cookienotice.php
+++ b/cookienotice/cookienotice.php
@@ -7,7 +7,6 @@
  * Author: Peter Liebetrau <https://socivitas/profile/peerteer>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/diaspora/diaspora.php b/diaspora/diaspora.php
index 979204ba..d6c98e34 100644
--- a/diaspora/diaspora.php
+++ b/diaspora/diaspora.php
@@ -9,7 +9,6 @@
 
 require_once 'addon/diaspora/Diaspora_Connection.php';
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/discourse/discourse.php b/discourse/discourse.php
index 298b3f3e..e97a4fd8 100644
--- a/discourse/discourse.php
+++ b/discourse/discourse.php
@@ -8,7 +8,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Content\Text\Markdown;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/dwpost/dwpost.php b/dwpost/dwpost.php
index 1ecd9764..7ce30086 100644
--- a/dwpost/dwpost.php
+++ b/dwpost/dwpost.php
@@ -8,7 +8,6 @@
  * Author: Cat Gray <https://free-haven.org/profile/catness>
  */
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/fancybox/fancybox.php b/fancybox/fancybox.php
index 73bbdab9..b1a1ff35 100644
--- a/fancybox/fancybox.php
+++ b/fancybox/fancybox.php
@@ -7,7 +7,6 @@
  * Status: Unsupported
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -40,7 +39,7 @@ function fancybox_render(array &$b){
 		function ($text) use ($gallery) {
 			// This processes images inlined in posts
 			// Frio / Vier hooks für lightbox are un-hooked in fancybox-config.js. So this works for them, too!
-			//if (!in_array(DI::app()->getCurrentTheme(),['vier','frio']))
+			//if (!in_array(DI::appHelper()->getCurrentTheme(),['vier','frio']))
 			$text = preg_replace(
 				'#<a[^>]*href="([^"]*)"[^>]*>(<img[^>]*src="[^"]*"[^>]*>)</a>#',
 				'<a data-fancybox="' . $gallery . '" href="$1">$2</a>',
diff --git a/fromapp/fromapp.php b/fromapp/fromapp.php
index 0d5a5b16..8bd27606 100644
--- a/fromapp/fromapp.php
+++ b/fromapp/fromapp.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -76,6 +75,6 @@ function fromapp_post_hook(&$item)
 
 	$apps = explode(',', $app);
 	$item['app'] = trim($apps[mt_rand(0, count($apps)-1)]);
-	
+
 	return;
 }
diff --git a/geocoordinates/geocoordinates.php b/geocoordinates/geocoordinates.php
index 5cb90efd..eb56f093 100644
--- a/geocoordinates/geocoordinates.php
+++ b/geocoordinates/geocoordinates.php
@@ -6,7 +6,6 @@
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/geonames/geonames.php b/geonames/geonames.php
index dcbd65f8..d14b1e8f 100644
--- a/geonames/geonames.php
+++ b/geonames/geonames.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -35,7 +34,7 @@ function geonames_install()
 
 function geonames_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('geonames'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('geonames'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function geonames_post_hook(array &$item)
diff --git a/gnot/gnot.php b/gnot/gnot.php
index 15fb4da0..5d0919cb 100644
--- a/gnot/gnot.php
+++ b/gnot/gnot.php
@@ -4,11 +4,10 @@
  * Description: Thread email comment notifications on Gmail and anonymise them
  * Version: 1.0
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
- * 
+ *
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -38,7 +37,7 @@ function gnot_settings_post($post) {
 }
 
 /**
- * Called from the Addon Setting form. 
+ * Called from the Addon Setting form.
  * Add our own settings info to the page.
  */
 function gnot_settings(array &$data)
diff --git a/googlemaps/googlemaps.php b/googlemaps/googlemaps.php
index 356ce68c..b83a9cf9 100644
--- a/googlemaps/googlemaps.php
+++ b/googlemaps/googlemaps.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 
diff --git a/gravatar/gravatar.php b/gravatar/gravatar.php
index 83a8fbb9..6007c433 100644
--- a/gravatar/gravatar.php
+++ b/gravatar/gravatar.php
@@ -6,15 +6,12 @@
  * Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
  */
 
-use Friendica\App;
 use Friendica\BaseModule;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
-use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Core\Config\Util\ConfigFileManager;
-use Friendica\Util\Strings;
 
 /**
  * Installs the addon hook
@@ -28,7 +25,7 @@ function gravatar_install() {
 
 function gravatar_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('gravatar'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('gravatar'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 /**
diff --git a/group_text/group_text.php b/group_text/group_text.php
index 02e9fd0a..e5067fb5 100644
--- a/group_text/group_text.php
+++ b/group_text/group_text.php
@@ -8,9 +8,7 @@
  * Note: Please use Circle Text instead
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
-use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
 use Friendica\DI;
 
diff --git a/highlightjs/highlightjs.php b/highlightjs/highlightjs.php
index 097d34c7..762f4117 100644
--- a/highlightjs/highlightjs.php
+++ b/highlightjs/highlightjs.php
@@ -6,7 +6,6 @@
  * Author: Hypolite Petovan <hypolite@mrpetovan.com>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -18,7 +17,7 @@ function highlightjs_install()
 
 function highlightjs_head(string &$str)
 {
-	if (DI::app()->getCurrentTheme() == 'frio') {
+	if (DI::appHelper()->getCurrentTheme() == 'frio') {
 		$style = 'bootstrap';
 	} else {
 		$style = 'default';
diff --git a/ifttt/ifttt.php b/ifttt/ifttt.php
index 6d4f402c..51fa8db8 100644
--- a/ifttt/ifttt.php
+++ b/ifttt/ifttt.php
@@ -6,7 +6,6 @@
  * Version: 0.1
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
  */
-use Friendica\App;
 use Friendica\Content\PageInfo;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/ijpost/ijpost.php b/ijpost/ijpost.php
index f22dfff2..37c3cd45 100644
--- a/ijpost/ijpost.php
+++ b/ijpost/ijpost.php
@@ -8,7 +8,6 @@
  * Author: Cat Gray <https://free-haven.org/profile/catness>
  */
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/impressum/impressum.php b/impressum/impressum.php
index 754cb828..f61d7182 100644
--- a/impressum/impressum.php
+++ b/impressum/impressum.php
@@ -7,7 +7,6 @@
  * License: 3-clause BSD license
  */
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
@@ -56,7 +55,7 @@ function impressum_footer(string &$body)
 
 function impressum_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('impressum'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('impressum'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function impressum_show(string &$body)
diff --git a/infiniteimprobabilitydrive/infiniteimprobabilitydrive.php b/infiniteimprobabilitydrive/infiniteimprobabilitydrive.php
index aff7aec0..9eb6ab36 100644
--- a/infiniteimprobabilitydrive/infiniteimprobabilitydrive.php
+++ b/infiniteimprobabilitydrive/infiniteimprobabilitydrive.php
@@ -6,7 +6,6 @@
 * Author: Thomas Willingham <https://kakste.com/profile/beardyunixer>
 */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/irc/irc.php b/irc/irc.php
index d4435851..db808a99 100644
--- a/irc/irc.php
+++ b/irc/irc.php
@@ -7,7 +7,6 @@
 * Author: Tobias Diekershoff <https://f.diekershoff.de/u/tobias>
 */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/krynn/krynn.php b/krynn/krynn.php
index f7e77c26..fa9db133 100644
--- a/krynn/krynn.php
+++ b/krynn/krynn.php
@@ -10,7 +10,6 @@
  *"My body was my sacrifice... for my magic. This damage is permanent." - Raistlin Majere
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/ldapauth/ldapauth.php b/ldapauth/ldapauth.php
index 38e2d6a1..f834b4d5 100644
--- a/ldapauth/ldapauth.php
+++ b/ldapauth/ldapauth.php
@@ -29,7 +29,6 @@
  * The configuration options for this module are described in the config/ldapauth.config.php file
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Database\DBA;
@@ -45,7 +44,7 @@ function ldapauth_install()
 
 function ldapauth_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('ldapauth'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('ldapauth'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function ldapauth_hook_authenticate(array &$b)
diff --git a/libertree/libertree.php b/libertree/libertree.php
index 1d997123..c138e597 100644
--- a/libertree/libertree.php
+++ b/libertree/libertree.php
@@ -6,7 +6,6 @@
  * Author: Tony Baldwin <https://free-haven.org/u/tony>
  */
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/libravatar/libravatar.php b/libravatar/libravatar.php
index 54594b88..4cd72c83 100644
--- a/libravatar/libravatar.php
+++ b/libravatar/libravatar.php
@@ -6,7 +6,6 @@
  * Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
  */
 
-use Friendica\App;
 use Friendica\Core\Addon;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
@@ -26,7 +25,7 @@ function libravatar_install()
 
 function libravatar_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('libravatar'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('libravatar'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 /**
diff --git a/markdown/markdown.php b/markdown/markdown.php
index 6f459244..0822ac83 100644
--- a/markdown/markdown.php
+++ b/markdown/markdown.php
@@ -5,7 +5,6 @@
  * Version: 0.1
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
  */
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Content\Text\Markdown;
 use Friendica\Core\Renderer;
diff --git a/mathjax/mathjax.php b/mathjax/mathjax.php
index d0046cf7..e96aaddf 100644
--- a/mathjax/mathjax.php
+++ b/mathjax/mathjax.php
@@ -8,7 +8,6 @@
  * License: 3-clause BSD license
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/morechoice/morechoice.php b/morechoice/morechoice.php
index fe726d27..fbb88ce1 100644
--- a/morechoice/morechoice.php
+++ b/morechoice/morechoice.php
@@ -8,7 +8,6 @@
  * Status: Deprecated
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/morepokes/morepokes.php b/morepokes/morepokes.php
index abe59a6e..2ac09a73 100644
--- a/morepokes/morepokes.php
+++ b/morepokes/morepokes.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/newmemberwidget/newmemberwidget.php b/newmemberwidget/newmemberwidget.php
index 01977d0c..d3b68807 100644
--- a/newmemberwidget/newmemberwidget.php
+++ b/newmemberwidget/newmemberwidget.php
@@ -6,7 +6,6 @@
  * Author: Tobias Diekershoff <https://f.diekershoff.de/profile/tobias>
  ***/
 
-use Friendica\App;
 use Friendica\Content\Text\BBCode;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/nitter/nitter.php b/nitter/nitter.php
index 946b18c0..adbfd6b0 100644
--- a/nitter/nitter.php
+++ b/nitter/nitter.php
@@ -25,7 +25,6 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/nominatim/nominatim.php b/nominatim/nominatim.php
index 6ad4a8a3..a3d14af5 100644
--- a/nominatim/nominatim.php
+++ b/nominatim/nominatim.php
@@ -6,7 +6,6 @@
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/notifyall/notifyall.php b/notifyall/notifyall.php
index 966a9184..d37bac56 100644
--- a/notifyall/notifyall.php
+++ b/notifyall/notifyall.php
@@ -9,9 +9,7 @@
  */
 
 use Friendica\Addon\notifyall\NotifyAllEmail;
-use Friendica\App;
 use Friendica\Database\DBA;
-use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
 use Friendica\DI;
 
diff --git a/numfriends/numfriends.php b/numfriends/numfriends.php
index 538a4a3e..66c9b74a 100644
--- a/numfriends/numfriends.php
+++ b/numfriends/numfriends.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -39,7 +38,7 @@ function numfriends_settings_post($post) {
 
 /**
  *
- * Called from the Addon Setting form. 
+ * Called from the Addon Setting form.
  * Add our own settings info to the page.
  *
  */
@@ -50,7 +49,7 @@ function numfriends_settings(array &$data)
 	}
 
 	$numfriends = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'display_friend_count', 24);
-	
+
 	$t    = Renderer::getMarkupTemplate('settings.tpl', 'addon/numfriends/');
 	$html = Renderer::replaceMacros($t, [
 		'$numfriends' => ['numfriends', DI::l10n()->t('How many contacts to display on profile sidebar'), $numfriends],
diff --git a/openstreetmap/openstreetmap.php b/openstreetmap/openstreetmap.php
index ae22aff0..fc5ebbbe 100644
--- a/openstreetmap/openstreetmap.php
+++ b/openstreetmap/openstreetmap.php
@@ -9,7 +9,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Cache\Enum\Duration;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
@@ -37,7 +36,7 @@ function openstreetmap_install()
 
 function openstreetmap_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('openstreetmap'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('openstreetmap'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function openstreetmap_alterheader(&$navHtml)
diff --git a/opmlexport/opmlexport.php b/opmlexport/opmlexport.php
index fdfacc3e..3df71275 100644
--- a/opmlexport/opmlexport.php
+++ b/opmlexport/opmlexport.php
@@ -8,12 +8,8 @@
  */
 
 use Friendica\DI;
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
-use Friendica\Network\HTTPException;
-use Friendica\Database\DBA;
-use Friendica\Core\Renderer;
 use Friendica\Core\Protocol;
 use Friendica\Model\Contact;
 use Friendica\Model\User;
diff --git a/pageheader/pageheader.php b/pageheader/pageheader.php
index 057bb863..d729acc1 100644
--- a/pageheader/pageheader.php
+++ b/pageheader/pageheader.php
@@ -5,10 +5,9 @@
  * Version: 1.1
  * Author: Keith Fernie <http://friendika.me4.it/profile/keith>
  *         Hauke Altmann <https://snarl.de/profile/tugelblend>
- * 
+ *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/phpmailer/phpmailer.php b/phpmailer/phpmailer.php
index 4c12709d..f4bb7753 100644
--- a/phpmailer/phpmailer.php
+++ b/phpmailer/phpmailer.php
@@ -7,7 +7,6 @@
  * Maintainer: Hypolite Petovan <hypolite@friendica.mrpetovan.com>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 use Friendica\Object\EMail\IEmail;
@@ -25,7 +24,7 @@ function phpmailer_install()
 
 function phpmailer_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('phpmailer'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('phpmailer'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 /**
diff --git a/piwik/piwik.php b/piwik/piwik.php
index fd6d5fc9..fc459a87 100644
--- a/piwik/piwik.php
+++ b/piwik/piwik.php
@@ -35,7 +35,6 @@
  *     setting.
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -51,7 +50,7 @@ function piwik_install() {
 
 function piwik_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('piwik'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('piwik'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function piwik_analytics(string &$b)
@@ -76,7 +75,7 @@ function piwik_analytics(string &$b)
 	 *   Add the Piwik tracking code for the site.
 	 *   If async is set to true use asynchronous tracking
 	 */
-	
+
 	$scriptAsyncValue = $async ? 'true' : 'false';
 	$scriptPhpEndpoint = $shortendpoint ? 'js/' : 'piwik.php';
 	$scriptJsEndpoint = $shortendpoint ? 'js/' : 'piwik.js';
diff --git a/planets/planets.php b/planets/planets.php
index 8a206fb5..d96e33a6 100644
--- a/planets/planets.php
+++ b/planets/planets.php
@@ -7,7 +7,6 @@
  * Author: Tony Baldwin <https://free-haven.org/profile/tony>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/pnut/pnut.php b/pnut/pnut.php
index 32f60f6d..f298997b 100644
--- a/pnut/pnut.php
+++ b/pnut/pnut.php
@@ -90,7 +90,7 @@ function pnut_connect()
 
 function pnut_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('pnut'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('pnut'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function pnut_addon_admin(string &$o)
diff --git a/public_server/public_server.php b/public_server/public_server.php
index 7591c7d0..eb7af1e7 100644
--- a/public_server/public_server.php
+++ b/public_server/public_server.php
@@ -6,7 +6,6 @@
  * Author: Keith Fernie <http://friendika.me4.it/profile/keith>
  */
 
-use Friendica\App;
 use Friendica\BaseModule;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
@@ -29,7 +28,7 @@ function public_server_install()
 
 function public_server_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('public_server'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('public_server'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function public_server_register_account($b)
diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index d7c2ac32..ffe5f187 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -319,7 +319,7 @@ function pumpio_settings_post(array &$b)
 
 function pumpio_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('pumpio'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('pumpio'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function pumpio_hook_fork(array &$b)
diff --git a/qcomment/qcomment.php b/qcomment/qcomment.php
index 1b8bfcbf..f7126531 100644
--- a/qcomment/qcomment.php
+++ b/qcomment/qcomment.php
@@ -18,7 +18,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/randplace/randplace.php b/randplace/randplace.php
index 34f48c6c..5cb07597 100644
--- a/randplace/randplace.php
+++ b/randplace/randplace.php
@@ -19,7 +19,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
diff --git a/rendertime/rendertime.php b/rendertime/rendertime.php
index 731cf003..1cce5b1b 100644
--- a/rendertime/rendertime.php
+++ b/rendertime/rendertime.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/s3_storage/s3_storage.php b/s3_storage/s3_storage.php
index 361577be..c08c3172 100644
--- a/s3_storage/s3_storage.php
+++ b/s3_storage/s3_storage.php
@@ -8,7 +8,6 @@
 
 use Friendica\Addon\s3_storage\src\S3Client;
 use Friendica\Addon\s3_storage\src\S3Config;
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/securemail/SecureTestEmail.php b/securemail/SecureTestEmail.php
index c614104f..32510091 100644
--- a/securemail/SecureTestEmail.php
+++ b/securemail/SecureTestEmail.php
@@ -21,7 +21,6 @@
 
 namespace Friendica\Addon\securemail;
 
-use Friendica\App;
 use Friendica\App\BaseURL;
 use Friendica\Core\Config\Capability\IManageConfigValues;
 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
diff --git a/securemail/securemail.php b/securemail/securemail.php
index 61125587..b56c0cbc 100644
--- a/securemail/securemail.php
+++ b/securemail/securemail.php
@@ -7,7 +7,6 @@
  */
 
 use Friendica\Addon\securemail\SecureTestEmail;
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
@@ -32,8 +31,6 @@ function securemail_install()
  * @link  https://github.com/friendica/friendica/blob/develop/doc/Addons.md#addon_settings 'addon_settings' hook
  *
  * @param array $data
- *
- * @see   App
  */
 function securemail_settings(array &$data)
 {
@@ -67,8 +64,6 @@ function securemail_settings(array &$data)
  * @link  https://github.com/friendica/friendica/blob/develop/doc/Addons.md#addon_settings_post 'addon_settings_post' hook
  *
  * @param array $b hook data
- *
- * @see   App
  */
 function securemail_settings_post(array &$b)
 {
@@ -102,8 +97,6 @@ function securemail_settings_post(array &$b)
  * @link  https://github.com/friendica/friendica/blob/develop/doc/Addons.md#emailer_send_prepare 'emailer_send_prepare' hook
  *
  * @param IEmail $email Email
- *
- * @see   App
  */
 function securemail_emailer_send_prepare(IEmail &$email)
 {
diff --git a/showmore_dyn/showmore_dyn.php b/showmore_dyn/showmore_dyn.php
index 7cb64bcc..4c2e62f5 100644
--- a/showmore_dyn/showmore_dyn.php
+++ b/showmore_dyn/showmore_dyn.php
@@ -7,12 +7,8 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
-use Friendica\Core\L10n;
-use Friendica\Core\Logger;
 use Friendica\Core\Renderer;
-use Friendica\Database\DBA;
 use Friendica\DI;
 
 function showmore_dyn_install()
diff --git a/smiley_pack/lang/smiley_pack_es/smiley_pack_es.php b/smiley_pack/lang/smiley_pack_es/smiley_pack_es.php
index 38b208da..0f41101d 100644
--- a/smiley_pack/lang/smiley_pack_es/smiley_pack_es.php
+++ b/smiley_pack/lang/smiley_pack_es/smiley_pack_es.php
@@ -3,11 +3,10 @@
  * Name: Smiley Pack (Español)
  * Description: Pack of smileys that make master too AOLish.
  * Version: 1.02
- * Author: Thomas Willingham (based on Mike Macgirvin's Adult Smile template) 
+ * Author: Thomas Willingham (based on Mike Macgirvin's Adult Smile template)
  * All smileys from sites offering them as Public Domain
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -19,7 +18,7 @@ function smiley_pack_smilies_es(array &$b) {
 
 #Smileys are split into various directories by the intended range of emotions.  This is in case we get too big and need to modularise things.  We can then cut and paste the right lines, move the right directory, and just change the name of the addon to happy_smilies or whatever.
 
-#Be careful with invocation strings.  If you have a smiley called foo, and another called foobar, typing :foobar will call foo.  Avoid this with clever naming, using ~ instead of : 
+#Be careful with invocation strings.  If you have a smiley called foo, and another called foobar, typing :foobar will call foo.  Avoid this with clever naming, using ~ instead of :
 #when all else fails.
 
 
@@ -49,7 +48,7 @@ function smiley_pack_smilies_es(array &$b) {
 
 	$b['texts'][] = ':vaca';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/cow.gif' . '" alt="' . ':vaca' . '" />';
-    
+
 	$b['texts'][] = ':cangrejo';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/crab.gif' . '" alt="' . ':cangrejo' . '" />';
 
@@ -70,7 +69,7 @@ function smiley_pack_smilies_es(array &$b) {
 
 	$b['texts'][] = ':caballo';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/horse.gif' . '" alt="' . ':caballo' . '" />';
-  
+
 	$b['texts'][] = ':loro';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/parrot.gif' . '" alt="' . ':loro' . '" />';
 
@@ -107,7 +106,7 @@ function smiley_pack_smilies_es(array &$b) {
 
 	$b['texts'][] = ':cuna';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/babycot.gif' . '" alt="' . ':cuna' . '" />';
-	
+
 
 	$b['texts'][] = ':embarazada';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/pregnant.gif' . '" alt="' . ':embarazada' . '" />';
@@ -116,10 +115,10 @@ function smiley_pack_smilies_es(array &$b) {
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/stork.gif' . '" alt="' . ':cigüeña' . '" />';
 
 
-#Confused Smileys	
+#Confused Smileys
 	$b['texts'][] = ':confundido';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/confused/confused.gif' . '" alt="' . ':confundido' . '" />';
-    
+
 	$b['texts'][] = ':encogehombros';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/confused/shrug.gif' . '" alt="' . ':encogehombros' . '" />';
 
@@ -154,13 +153,13 @@ function smiley_pack_smilies_es(array &$b) {
 
 	$b['texts'][] = ':diabólico';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/devil.gif' . '" alt="' . ':diabólico' . '" />';
-	
+
 	$b['texts'][] = ':adbalancín';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/daseesaw.gif' . '" alt="' . ':adbalancín' . '" />';
 
 	$b['texts'][] = ':vuelvedemonio';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/turnevil.gif' . '" alt="' . ':vuelvedemonio' . '" />';
-	
+
 	$b['texts'][] = ':santo';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/saint.gif' . '" alt="' . ':santo' . '" />';
 
@@ -242,7 +241,7 @@ function smiley_pack_smilies_es(array &$b) {
 
 	$b['texts'][] = ':billar';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/sport/snooker.gif' . '" alt="' . ':billar' . '" />';
-  
+
 	$b['texts'][] = ':tenis';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/sport/tennis.gif' . '" alt="' . ':tenis' . '" />';
 
diff --git a/smiley_pack/lang/smiley_pack_fr/smiley_pack_fr.php b/smiley_pack/lang/smiley_pack_fr/smiley_pack_fr.php
index 63cf613e..c5474e3c 100644
--- a/smiley_pack/lang/smiley_pack_fr/smiley_pack_fr.php
+++ b/smiley_pack/lang/smiley_pack_fr/smiley_pack_fr.php
@@ -9,7 +9,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -23,7 +22,7 @@ function smiley_pack_fr_smilies(array &$b)
 
 #Smileys are split into various directories by the intended range of emotions.  This is in case we get too big and need to modularise things.  We can then cut and paste the right lines, move the right directory, and just change the name of the addon to happy_smilies or whatever.
 
-#Be careful with invocation strings.  If you have a smiley called foo, and another called foobar, typing :foobar will call foo.  Avoid this with clever naming, using ~ instead of : 
+#Be careful with invocation strings.  If you have a smiley called foo, and another called foobar, typing :foobar will call foo.  Avoid this with clever naming, using ~ instead of :
 #when all else fails.
 
 
@@ -56,7 +55,7 @@ function smiley_pack_fr_smilies(array &$b)
 
 	$b['texts'][] = ':vache';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/cow.gif' . '" alt="' . ':vache' . '" />';
-    
+
 	$b['texts'][] = ':crabe';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/crab.gif' . '" alt="' . ':crabe' . '" />';
 
@@ -74,7 +73,7 @@ function smiley_pack_fr_smilies(array &$b)
 
 	$b['texts'][] = ':cheval';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/horse.gif' . '" alt="' . ':cheval' . '" />';
-  
+
 	$b['texts'][] = ':perroquet';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/animals/parrot.gif' . '" alt="' . ':perroquet' . '" />';
 
@@ -108,7 +107,7 @@ function smiley_pack_fr_smilies(array &$b)
 
 	$b['texts'][] = ':litbébé';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/babycot.gif' . '" alt="' . ':litbébé' . '" />';
-	
+
 
 	$b['texts'][] = ':enceinte';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/pregnant.gif' . '" alt="' . ':enceinte' . '" />';
@@ -117,10 +116,10 @@ function smiley_pack_fr_smilies(array &$b)
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/babies/stork.gif' . '" alt="' . ':cigogne' . '" />';
 
 
-#Confused Smileys	
+#Confused Smileys
 	$b['texts'][] = ':paumé';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/confused/confused.gif' . '" alt="' . ':paumé' . '" />';
-    
+
 	$b['texts'][] = ':hausseépaules';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/confused/shrug.gif' . '" alt="' . ':hausseépaules' . '" />';
 
@@ -152,13 +151,13 @@ function smiley_pack_fr_smilies(array &$b)
 
 	$b['texts'][] = ':démoniaque';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/devil.gif' . '" alt="' . ':démoniaque' . '" />';
-	
+
 	$b['texts'][] = ':bascule';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/daseesaw.gif' . '" alt="' . ':bascule' . '" />';
 
 	$b['texts'][] = ':possédé';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/turnevil.gif' . '" alt="' . ':possédé' . '" />';
-	
+
 	$b['texts'][] = ':tombe';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/devilangel/graveside.gif' . '" alt="' . ':tombe' . '" />';
 
@@ -225,7 +224,7 @@ function smiley_pack_fr_smilies(array &$b)
 
 	$b['texts'][] = ':billard';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/sport/snooker.gif' . '" alt="' . ':billard' . '" />';
-  
+
 	$b['texts'][] = ':équitation';
 	$b['icons'][] = '<img src="' . DI::baseUrl() . '/addon/smiley_pack/icons/sport/horseriding.gif' . '" alt="' . ':équitation' . '" />';
 
diff --git a/smileybutton/smileybutton.php b/smileybutton/smileybutton.php
index 1df717b7..4d0a8d42 100644
--- a/smileybutton/smileybutton.php
+++ b/smileybutton/smileybutton.php
@@ -7,7 +7,6 @@
  * Maintainer: Hypolite Petovan <https://friendica.mrpetovan.com/profile/hypolite>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
@@ -20,7 +19,7 @@ function smileybutton_install()
 function smileybutton_jot_tool(string &$body)
 {
 	// Disable if theme is quattro
-	if (DI::app()->getCurrentTheme() == 'quattro') {
+	if (DI::appHelper()->getCurrentTheme() == 'quattro') {
 		return;
 	}
 
@@ -97,7 +96,7 @@ function smileybutton_jot_tool(string &$body)
 	$s .= '</tr></table>';
 
 	//Add css to header
-	$css_file = __DIR__ . '/view/' . DI::app()->getCurrentTheme() . '.css';
+	$css_file = __DIR__ . '/view/' . DI::appHelper()->getCurrentTheme() . '.css';
 	if (!file_exists($css_file)) {
 		$css_file = __DIR__ . '/view/default.css';
 	}
@@ -105,7 +104,7 @@ function smileybutton_jot_tool(string &$body)
 	DI::page()->registerStylesheet($css_file);
 
 	//Get the correct image for the theme
-	$image = 'addon/smileybutton/view/' . DI::app()->getCurrentTheme() . '.png';
+	$image = 'addon/smileybutton/view/' . DI::appHelper()->getCurrentTheme() . '.png';
 	if (!file_exists($image)) {
 		$image = 'addon/smileybutton/view/default.png';
 	}
diff --git a/smilies_adult/smilies_adult.php b/smilies_adult/smilies_adult.php
index e8af21e1..4a80168d 100644
--- a/smilies_adult/smilies_adult.php
+++ b/smilies_adult/smilies_adult.php
@@ -4,12 +4,11 @@
  * Description: Smily icons that could or should not be included in core
  * Version: 1.0
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
- * 
+ *
  * This is a template for how to extend the "smily" code.
- * 
+ *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/startpage/startpage.php b/startpage/startpage.php
index e4d80c0c..558af473 100644
--- a/startpage/startpage.php
+++ b/startpage/startpage.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 48f9c254..bd115115 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -38,7 +38,6 @@ define('STATUSNET_DEFAULT_POLL_INTERVAL', 5); // given in minutes
 require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'statusnetoauth.php';
 
 use CodebirdSN\CodebirdSN;
-use Friendica\App;
 use Friendica\Content\Text\Plaintext;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
diff --git a/testdrive/testdrive.php b/testdrive/testdrive.php
index 55645284..90fb5918 100644
--- a/testdrive/testdrive.php
+++ b/testdrive/testdrive.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Search;
 use Friendica\Database\DBA;
@@ -27,7 +26,7 @@ function testdrive_install()
 
 function testdrive_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('testdrive'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('testdrive'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function testdrive_globaldir_update(array &$b)
diff --git a/tumblr/tumblr.php b/tumblr/tumblr.php
index 1e9f5c7f..580d73e6 100644
--- a/tumblr/tumblr.php
+++ b/tumblr/tumblr.php
@@ -65,7 +65,7 @@ function tumblr_install()
 
 function tumblr_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('tumblr'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('tumblr'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function tumblr_check_item_notification(array &$notification_data)
diff --git a/twitter/twitter.php b/twitter/twitter.php
index 10f8a2fb..ea4ae356 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -67,7 +67,7 @@ function twitter_install()
 
 function twitter_load_config(ConfigFileManager $loader)
 {
-	DI::app()->getConfigCache()->load($loader->loadAddonConfig('twitter'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
+	DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('twitter'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
 }
 
 function twitter_jot_nets(array &$jotnets_fields)
diff --git a/unicode_smilies/unicode_smilies.php b/unicode_smilies/unicode_smilies.php
index 22ee3439..b39c6f10 100644
--- a/unicode_smilies/unicode_smilies.php
+++ b/unicode_smilies/unicode_smilies.php
@@ -7,7 +7,6 @@
  * Author: Matthias Ebers <https://loma.ml/profile/one>
  */
 
-use Friendica\App;
 use Friendica\Content\Smilies;
 use Friendica\Core\Hook;
 
@@ -691,7 +690,7 @@ function unicode_smilies_smilies(array &$b)
 	Smilies::add($b, ':custard:', '&#x1F36E');
 	Smilies::add($b, ':honey pot:', '&#x1F36F');
 
-// drink  
+// drink
 	Smilies::add($b, ':baby bottle:', '&#x1F37C');
 	Smilies::add($b, ':glass of milk:', '&#x1F95B');
 	Smilies::add($b, ':hot beverage:', '&#x2615');
@@ -1123,7 +1122,7 @@ function unicode_smilies_smilies(array &$b)
 	Smilies::add($b, ':control knobs:', '&#x1F39B');
 	Smilies::add($b, ':microphone:', '&#x1F3A4');
 	Smilies::add($b, ':headphone:', '&#x1F3A7');
-	Smilies::add($b, ':radio:', '&#x1F4FB');    
+	Smilies::add($b, ':radio:', '&#x1F4FB');
 
 // musical-instrument
 	Smilies::add($b, ':saxophone:', '&#x1F3B7');
@@ -1529,7 +1528,7 @@ function unicode_smilies_smilies(array &$b)
 	Smilies::add($b, ':O button (blood type):', '&#x1F17E');
 	Smilies::add($b, ':OK button:', '&#x1F197');
 	Smilies::add($b, ':P button:', '&#x1F17F');
-	Smilies::add($b, ':SOS button:', '&#x1F198');  
+	Smilies::add($b, ':SOS button:', '&#x1F198');
 	Smilies::add($b, ':UP! button:', '&#x1F199');
 	Smilies::add($b, ':VS button:', '&#x1F19A');
 	Smilies::add($b, ':Japanese “here” button:', '&#x1F201');
diff --git a/viewsrc/viewsrc.php b/viewsrc/viewsrc.php
index c4d21ccb..bd07b541 100644
--- a/viewsrc/viewsrc.php
+++ b/viewsrc/viewsrc.php
@@ -7,7 +7,6 @@
  *
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 
diff --git a/webrtc/webrtc.php b/webrtc/webrtc.php
index e142b374..e5d4ce6e 100644
--- a/webrtc/webrtc.php
+++ b/webrtc/webrtc.php
@@ -7,7 +7,6 @@
  * Author: Tobias Diekershoff <https://f.diekershoff.de/profile/tobias>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;