diff --git a/src/plugins/qt4projectmanager/qtversionmanager.cpp b/src/plugins/qt4projectmanager/qtversionmanager.cpp
index 7bfaf41100bf3d453bc7837f27ad2ee00fd60521..6f202422e1af12124ae51b64dae5238590bb4964 100644
--- a/src/plugins/qt4projectmanager/qtversionmanager.cpp
+++ b/src/plugins/qt4projectmanager/qtversionmanager.cpp
@@ -1417,7 +1417,6 @@ QString QtVersion::buildDebuggingHelperLibrary()
     if (!directory.isEmpty())
         output += DebuggingHelperLibrary::buildDebuggingHelperLibrary(directory, tc->makeCommand(), qmakeCommand(), env);
     m_hasDebuggingHelper = !debuggingHelperLibrary().isEmpty();
-    delete tc;
     return output;
 }