diff --git a/AppKit/CPAnimation.j b/AppKit/CPAnimation.j
index c8321ab7b..148db1f6f 100644
--- a/AppKit/CPAnimation.j
+++ b/AppKit/CPAnimation.j
@@ -122,6 +122,7 @@ ACTUAL_FRAME_RATE = 0;
 */
 - (void)setAnimationCurve:(CPAnimationCurve)anAnimationCurve
 {
+    var timingFunctionName;
     switch (anAnimationCurve)
     {
         case CPAnimationEaseInOut:  timingFunctionName = kCAMediaTimingFunctionEaseInEaseOut;
diff --git a/AppKit/CPMenuItem/_CPMenuItemMenuBarView.j b/AppKit/CPMenuItem/_CPMenuItemMenuBarView.j
index 06ee3eb29..179c084e9 100644
--- a/AppKit/CPMenuItem/_CPMenuItemMenuBarView.j
+++ b/AppKit/CPMenuItem/_CPMenuItemMenuBarView.j
@@ -148,10 +148,8 @@ var SelectionColor                              = nil,
         [_submenuIndicatorView setFrame:submenuViewFrame];
     }
 
-    _minSize = CGSizeMake(x + HORIZONTAL_MARGIN, height);
-
     [self setAutoresizesSubviews:NO];
-    [self setFrameSize:_minSize];
+    [self setFrameSize:CGSizeMake(x + HORIZONTAL_MARGIN, height)];
     [self setAutoresizesSubviews:YES];
 }
 
diff --git a/AppKit/CPOutlineView.j b/AppKit/CPOutlineView.j
index 20fd434fd..0d107d101 100644
--- a/AppKit/CPOutlineView.j
+++ b/AppKit/CPOutlineView.j
@@ -151,7 +151,6 @@ var CPOutlineViewCoalesceSelectionNotificationStateOff  = 0,
 
         _retargedChildIndex = nil;
         _shouldRetargetChildIndex = NO;
-        _startHoverTime = nil;
 
         [self setIndentationPerLevel:16.0];
         [self setIndentationMarkerFollowsDataView:YES];
diff --git a/AppKit/CPRuleEditor/CPPredicateEditor.j b/AppKit/CPRuleEditor/CPPredicateEditor.j
index 61b5ee498..5c4aadb64 100644
--- a/AppKit/CPRuleEditor/CPPredicateEditor.j
+++ b/AppKit/CPRuleEditor/CPPredicateEditor.j
@@ -345,7 +345,8 @@
 {
     var rootRowsArray = [super _rootRowsArray],
         subpredicates = [CPMutableArray array],
-        count = count2 = [rootRowsArray count],
+        count,
+        count2 = count = [rootRowsArray count],
         predicate;
 
     while (count--)
diff --git a/AppKit/CPTableView.j b/AppKit/CPTableView.j
index 5898b759e..9d5c8d369 100644
--- a/AppKit/CPTableView.j
+++ b/AppKit/CPTableView.j
@@ -321,7 +321,6 @@ CPTableViewFirstColumnOnlyAutoresizingStyle = 5;
 */
 - (void)_init
 {
-    _tableViewFlags = 0;
     _lastSelectedRow = -1;
 
     _selectedColumnIndexes = [CPIndexSet indexSet];
@@ -335,15 +334,12 @@ CPTableViewFirstColumnOnlyAutoresizingStyle = 5;
     if (!_alternatingRowBackgroundColors)
         _alternatingRowBackgroundColors = [[CPColor whiteColor], [CPColor colorWithHexString:@"e4e7ff"]];
 
-    _selectionHighlightColor = [CPColor colorWithHexString:@"5f83b9"];
-
     _tableColumnRanges = [];
     _dirtyTableColumnRangeIndex = 0;
     _numberOfHiddenColumns = 0;
 
     _objectValues = { };
     _dataViewsForTableColumns = { };
-    _dataViews =  [];
     _numberOfRows = 0;
     _exposedRows = [CPIndexSet indexSet];
     _exposedColumns = [CPIndexSet indexSet];
@@ -3696,7 +3692,8 @@ Your delegate can implement this method to avoid subclassing the tableview to ad
         [_selectedColumnIndexes getIndexes:indexes maxCount:-1 inIndexRange:exposedRange];
     }
 
-    var count = count2 = [indexes count];
+    var count,
+        count2 = count == [indexes count];
 
     if (!count)
         return;
@@ -4852,9 +4849,8 @@ var CPTableViewDataSourceKey                = @"CPTableViewDataSourceKey",
 
     while (index != CPNotFound)
     {
-        var indexSet = (switchFlag) ? otherSet : self;
-
-        otherIndex = [indexSet indexGreaterThanOrEqualToIndex:index];
+        var indexSet = (switchFlag) ? otherSet : self,
+            otherIndex = [indexSet indexGreaterThanOrEqualToIndex:index];
 
         if (otherIndex == index)
         {
diff --git a/AppKit/CPWindow/_CPHUDWindowView.j b/AppKit/CPWindow/_CPHUDWindowView.j
index 1f3a391bf..b668e865f 100644
--- a/AppKit/CPWindow/_CPHUDWindowView.j
+++ b/AppKit/CPWindow/_CPHUDWindowView.j
@@ -105,7 +105,7 @@ var HUD_TITLEBAR_HEIGHT             = 26.0;
 
     if ([[[self window] toolbar] isVisible])
     {
-        toolbarHeight = CGRectGetHeight([[self toolbarView] frame]);
+        var toolbarHeight = CGRectGetHeight([[self toolbarView] frame]);
 
         frameRect.origin.y -= toolbarHeight;
         frameRect.size.height += toolbarHeight;
diff --git a/AppKit/CPWindow/_CPStandardWindowView.j b/AppKit/CPWindow/_CPStandardWindowView.j
index 03c44a6c0..47cf61ddb 100644
--- a/AppKit/CPWindow/_CPStandardWindowView.j
+++ b/AppKit/CPWindow/_CPStandardWindowView.j
@@ -197,7 +197,7 @@ var STANDARD_GRADIENT_HEIGHT                    = 41.0,
 
     if ([theToolbar isVisible])
     {
-        toolbarHeight = CGRectGetHeight([[theToolbar _toolbarView] frame]);
+        var toolbarHeight = CGRectGetHeight([[theToolbar _toolbarView] frame]);
 
         frameRect.origin.y -= toolbarHeight;
         frameRect.size.height += toolbarHeight;
diff --git a/Foundation/CPArray/CPArray.j b/Foundation/CPArray/CPArray.j
index 5a27eca97..78c462aae 100755
--- a/Foundation/CPArray/CPArray.j
+++ b/Foundation/CPArray/CPArray.j
@@ -522,7 +522,7 @@ var concat = Array.prototype.concat,
 
     if ([objects count])
     {
-        argumentsArray = [[nil, aSelector] arrayByAddingObjectsFromArray:objects];
+        var argumentsArray = [[nil, aSelector] arrayByAddingObjectsFromArray:objects];
 
         for (; index < count; ++index)
         {
diff --git a/Foundation/CPArray/_CPJavaScriptArray.j b/Foundation/CPArray/_CPJavaScriptArray.j
index 2cadc2113..7860a9adc 100644
--- a/Foundation/CPArray/_CPJavaScriptArray.j
+++ b/Foundation/CPArray/_CPJavaScriptArray.j
@@ -163,7 +163,7 @@ var concat = Array.prototype.concat,
 
     if ([objects count])
     {
-        argumentsArray = [[nil, aSelector] arrayByAddingObjectsFromArray:objects];
+        var argumentsArray = [[nil, aSelector] arrayByAddingObjectsFromArray:objects];
 
         for (; index < count; ++index)
         {