diff --git a/platform/platform-resources/src/META-INF/ExternalSystemExtensions.xml b/platform/platform-resources/src/META-INF/ExternalSystemExtensions.xml
index 883d71e0549e..b726ef82b4ed 100644
--- a/platform/platform-resources/src/META-INF/ExternalSystemExtensions.xml
+++ b/platform/platform-resources/src/META-INF/ExternalSystemExtensions.xml
@@ -1,8 +1,6 @@
 <idea-plugin>
   <extensions defaultExtensionNs="com.intellij">
 
-    <postStartupActivity implementation="com.intellij.openapi.externalSystem.service.ExternalSystemStartupActivity"/>
-
     <!--Generic services-->
     <applicationService serviceImplementation="com.intellij.openapi.externalSystem.service.ExternalSystemFacadeManager"/>
     <applicationService