diff --git a/AppKit/Platform/DOM/CPPlatformString.j b/AppKit/Platform/DOM/CPPlatformString.j
index 93b44f113..1e520dd7f 100644
--- a/AppKit/Platform/DOM/CPPlatformString.j
+++ b/AppKit/Platform/DOM/CPPlatformString.j
@@ -151,7 +151,7 @@ var DOMFixedWidthSpanElement    = nil,
     else if (CPFeatureIsCompatible(CPJavaScriptTextContentFeature))
         span.textContent = aString;
 
-    return CGSizeMake(span.clientWidth, span.clientHeight);
+    return CGSizeMake(span.clientWidth + 1, span.clientHeight);
 }
 
 + (CPDictionary)metricsOfFont:(CPFont)aFont
diff --git a/AppKit/_CPToolTip.j b/AppKit/_CPToolTip.j
index 24aa8dfc4..6268f8ab4 100644
--- a/AppKit/_CPToolTip.j
+++ b/AppKit/_CPToolTip.j
@@ -118,12 +118,6 @@ var _CPToolTipHeight = 24.0,
         textFrameSizeSingleLine = [aText sizeWithFont:font],
         textFrameSize = [aText sizeWithFont:font inWidth:(aToolTipSize.width)];
 
-    // this small adjustement seems to fix all
-    // tooltips sizing issues. Now I'm not sure why
-    // we need this.
-    textFrameSizeSingleLine.width += 1;
-    textFrameSize.width += 1;
-
     // If the text fully fits within the maximum width, shrink to fit.
     if (textFrameSizeSingleLine.width < aToolTipSize.width)
     {