diff --git a/mod/salmon.php b/mod/salmon.php
index 2a7c4a4b3d..313c2cb0bb 100644
--- a/mod/salmon.php
+++ b/mod/salmon.php
@@ -9,7 +9,7 @@ use Friendica\Core\PConfig;
 use Friendica\Core\Protocol;
 use Friendica\Database\DBA;
 use Friendica\Model\Contact;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\OStatus;
 use Friendica\Protocol\Salmon;
 use Friendica\Util\Crypto;
diff --git a/src/Module/Xrd.php b/src/Module/Xrd.php
index 77fa3959a5..1028bfd531 100644
--- a/src/Module/Xrd.php
+++ b/src/Module/Xrd.php
@@ -8,7 +8,7 @@ use Friendica\Core\Renderer;
 use Friendica\Database\DBA;
 use Friendica\Model\Photo;
 use Friendica\Model\User;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\Salmon;
 use Friendica\Util\Strings;
 
diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index e63224411f..80fa641ed4 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -18,7 +18,7 @@ use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Model\Profile;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\ActivityPub;
 use Friendica\Protocol\Email;
 use Friendica\Protocol\Feed;
diff --git a/src/Protocol/Activity.php b/src/Protocol/Activity.php
index d2c5eec4b3..bea2dedb09 100644
--- a/src/Protocol/Activity.php
+++ b/src/Protocol/Activity.php
@@ -2,7 +2,7 @@
 
 namespace Friendica\Protocol;
 
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 
 /**
  * Base class for the Activity Verbs
diff --git a/src/Protocol/Activity/ObjectType.php b/src/Protocol/Activity/ObjectType.php
index 7bed40d87d..313378b3e9 100644
--- a/src/Protocol/Activity/ObjectType.php
+++ b/src/Protocol/Activity/ObjectType.php
@@ -2,6 +2,8 @@
 
 namespace Friendica\Protocol\Activity;
 
+use Friendica\Protocol\ActivityNamespace;
+
 /**
  * This class contains the different object types in activities
  */
diff --git a/src/Protocol/Activity/ActivityNamespace.php b/src/Protocol/ActivityNamespace.php
similarity index 99%
rename from src/Protocol/Activity/ActivityNamespace.php
rename to src/Protocol/ActivityNamespace.php
index a821f069e1..c504f28339 100644
--- a/src/Protocol/Activity/ActivityNamespace.php
+++ b/src/Protocol/ActivityNamespace.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Friendica\Protocol\Activity;
+namespace Friendica\Protocol;
 
 /**
  * Activity namespaces constants
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 6e84fdbb34..2016c7339d 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -32,7 +32,7 @@ use Friendica\Model\Profile;
 use Friendica\Model\User;
 use Friendica\Network\Probe;
 use Friendica\Object\Image;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 6fcfa36bdb..dc02366cb1 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -32,7 +32,7 @@ use Friendica\Model\Mail;
 use Friendica\Model\Profile;
 use Friendica\Model\User;
 use Friendica\Network\Probe;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Map;
diff --git a/src/Protocol/Feed.php b/src/Protocol/Feed.php
index 31f54e50c5..b7e7ce9201 100644
--- a/src/Protocol/Feed.php
+++ b/src/Protocol/Feed.php
@@ -14,7 +14,7 @@ use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Model\Item;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Util\Network;
 use Friendica\Util\XML;
 
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 9a41920ae8..c88a740c0e 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -25,7 +25,7 @@ use Friendica\Model\Item;
 use Friendica\Model\User;
 use Friendica\Network\Probe;
 use Friendica\Object\Image;
-use Friendica\Protocol\Activity\ActivityNamespace;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
 use Friendica\Util\Proxy as ProxyUtils;
@@ -1760,7 +1760,7 @@ class OStatus
 
 		$entry = self::entryHeader($doc, $owner, $item, $toplevel);
 
-		$verb = Activity\ActivityNamespace::ACTIVITY_SCHEMA . "favorite";
+		$verb = ActivityNamespace::ACTIVITY_SCHEMA . "favorite";
 		self::entryContent($doc, $entry, $item, $owner, "Favorite", $verb, false);
 
 		$parent = Item::selectFirst([], ['uri' => $item["thr-parent"], 'uid' => $item["uid"]]);
diff --git a/tests/src/Protocol/ActivityTest.php b/tests/src/Protocol/ActivityTest.php
index 5249ebefaf..a3e9c11487 100644
--- a/tests/src/Protocol/ActivityTest.php
+++ b/tests/src/Protocol/ActivityTest.php
@@ -3,6 +3,7 @@
 namespace Friendica\Test\Protocol;
 
 use Friendica\Protocol\Activity;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Test\MockedTest;
 
 class ActivityTest extends MockedTest
@@ -22,7 +23,7 @@ class ActivityTest extends MockedTest
 			],
 			'withNamespace' => [
 				'haystack' => 'tagterm',
-				'needle' => Activity\ActivityNamespace::ACTIVITY_SCHEMA . Activity\ObjectType::TAGTERM,
+				'needle' => ActivityNamespace::ACTIVITY_SCHEMA . Activity\ObjectType::TAGTERM,
 				'assert' => true,
 			],
 			'invalidSimple' => [
@@ -37,7 +38,7 @@ class ActivityTest extends MockedTest
 			],
 			'withSubPath' => [
 				'haystack' => 'tagterm',
-				'needle' => Activity\ActivityNamespace::ACTIVITY_SCHEMA . '/bla/' . Activity\ObjectType::TAGTERM,
+				'needle' => ActivityNamespace::ACTIVITY_SCHEMA . '/bla/' . Activity\ObjectType::TAGTERM,
 				'assert' => true,
 			],
 		];