diff --git a/src/MacVim/MMTextViewHelper.m b/src/MacVim/MMTextViewHelper.m
index 8494575017..27ec250364 100644
--- a/src/MacVim/MMTextViewHelper.m
+++ b/src/MacVim/MMTextViewHelper.m
@@ -52,7 +52,9 @@ static float MMDragAreaSize = 73.0f;
 
 - (void)dealloc
 {
+    [insertionPointColor release];  insertionPointColor = nil;
     [markedText release];  markedText = nil;
+    [markedTextAttributes release];  markedTextAttributes = nil;
 
     [super dealloc];
 }