diff --git a/src/corelib/tools/qflatmap_p.h b/src/corelib/tools/qflatmap_p.h
index ac5f701e85..936b1749df 100644
--- a/src/corelib/tools/qflatmap_p.h
+++ b/src/corelib/tools/qflatmap_p.h
@@ -971,8 +971,6 @@ private:
                 k = i + 1;
             }
         }
-        c.keys.shrink_to_fit();
-        c.values.shrink_to_fit();
     }
 
     containers c;