diff --git a/.tools/psalm/baseline.xml b/.tools/psalm/baseline.xml
index 34124594c4..96cf4240dc 100644
--- a/.tools/psalm/baseline.xml
+++ b/.tools/psalm/baseline.xml
@@ -855,8 +855,6 @@
       <code><![CDATA[$imgBlur]]></code>
       <code><![CDATA[$imgBlur]]></code>
       <code><![CDATA[$imgBlur]]></code>
-      <code><![CDATA[$imgBlur]]></code>
-      <code><![CDATA[$imgCanvas]]></code>
       <code><![CDATA[$imgCanvas]]></code>
       <code><![CDATA[$imgCanvas]]></code>
       <code><![CDATA[$imgCanvas]]></code>
diff --git a/redaxo/src/addons/media_manager/lib/effects/effect_filter_sharpen.php b/redaxo/src/addons/media_manager/lib/effects/effect_filter_sharpen.php
index fe70e3bf6b..20245dfd40 100644
--- a/redaxo/src/addons/media_manager/lib/effects/effect_filter_sharpen.php
+++ b/redaxo/src/addons/media_manager/lib/effects/effect_filter_sharpen.php
@@ -159,8 +159,7 @@ public function execute()
                 }
             }
         }
-        imagedestroy($imgCanvas);
-        imagedestroy($imgBlur);
+
         $this->media->setImage($gdimage);
     }