diff --git a/MantidPlot/src/ProjectRecovery.h b/MantidPlot/src/ProjectRecovery.h
index 505554ba27e8f97fba4034379766ce6c50954d83..72fcd1dd8c92488257e44b109dbe1c9d12e9b729 100644
--- a/MantidPlot/src/ProjectRecovery.h
+++ b/MantidPlot/src/ProjectRecovery.h
@@ -86,9 +86,6 @@ public:
   void openInEditor(const Poco::Path &inputFolder,
                     const Poco::Path &historyDest);
 
-  /// Remove checkpoints if it has lock file
-  void removeLockedCheckpoints();
-
   /// Looks at the recovery checkpoints and repairs some faults
   void repairCheckpointDirectory();