--- a/rdf/datasource/nsLocalStore.cpp
+++ b/rdf/datasource/nsLocalStore.cpp
@@ -469,21 +469,14 @@ LocalStoreImpl::Observe(nsISupports *aSu
             nsCOMPtr<nsIRDFRemoteDataSource> remote = do_QueryInterface(mInner);
             if (remote)
                 remote->Flush();
         }
 
         // Create an in-memory datasource for use while we're
         // profile-less.
         mInner = do_CreateInstance(NS_RDF_DATASOURCE_CONTRACTID_PREFIX "in-memory-datasource");
-
-        if (!NS_strcmp(someData, MOZ_UTF16("shutdown-cleanse"))) {
-            nsCOMPtr<nsIFile> aFile;
-            rv = NS_GetSpecialDirectory(NS_APP_LOCALSTORE_50_FILE, getter_AddRefs(aFile));
-            if (NS_SUCCEEDED(rv))
-                rv = aFile->Remove(false);
-        }
     }
     else if (!nsCRT::strcmp(aTopic, "profile-do-change")) {
         rv = LoadData();
     }
     return rv;
 }