diff --git a/core/org.eclipse.cdt.ui/plugin.xml b/core/org.eclipse.cdt.ui/plugin.xml
index 51723de19d4..aef20b4e206 100644
--- a/core/org.eclipse.cdt.ui/plugin.xml
+++ b/core/org.eclipse.cdt.ui/plugin.xml
@@ -981,19 +981,7 @@
          </action>
       </viewerContribution>
       <objectContribution
-            objectClass="org.eclipse.core.resources.IMarker"
-            id="org.eclipse.cdt.ui.action.DeleteIProblemMarkers">
-         <action
-               label="%DeleteIProblemMarkerAction.label"
-               icon="icons/ovr16/error_co.gif"
-               class="org.eclipse.cdt.internal.ui.util.DeleteIProblemMarkerAction"
-               menubarPath="additions"
-               id="org.eclipse.cdt.ui.action.DeleteIProblemMarkers"/>
-         <filter
-               value="org.eclipse.cdt.core.indexermarker"
-               name="type"/>
-      </objectContribution>
-      <objectContribution
+            adaptable="true"
             id="org.eclipse.cdt.ui.action.openExternalProblem"
             objectClass="org.eclipse.core.resources.IMarker">
          <action