diff --git a/mozilla/content/html/style/src/nsCSSStyleRule.cpp b/mozilla/content/html/style/src/nsCSSStyleRule.cpp
index 3bd6a337810..a89623788f4 100644
--- a/mozilla/content/html/style/src/nsCSSStyleRule.cpp
+++ b/mozilla/content/html/style/src/nsCSSStyleRule.cpp
@@ -436,7 +436,7 @@ nscoord CSSStyleRuleImpl::CalcLength(const nsCSSValue& aValue,
     case eCSSUnit_EN:
       return (aFont->mFont.size / 2);
     case eCSSUnit_XHeight:
-      NS_NOTYETIMPLEMENTED("x height unit");
+//      NS_NOTYETIMPLEMENTED("x height unit");
       return ((aFont->mFont.size / 3) * 2); // XXX HACK!
     case eCSSUnit_CapHeight:
       NS_NOTYETIMPLEMENTED("cap height unit");
diff --git a/mozilla/layout/html/style/src/nsCSSStyleRule.cpp b/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
index 3bd6a337810..a89623788f4 100644
--- a/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
+++ b/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
@@ -436,7 +436,7 @@ nscoord CSSStyleRuleImpl::CalcLength(const nsCSSValue& aValue,
     case eCSSUnit_EN:
       return (aFont->mFont.size / 2);
     case eCSSUnit_XHeight:
-      NS_NOTYETIMPLEMENTED("x height unit");
+//      NS_NOTYETIMPLEMENTED("x height unit");
       return ((aFont->mFont.size / 3) * 2); // XXX HACK!
     case eCSSUnit_CapHeight:
       NS_NOTYETIMPLEMENTED("cap height unit");
diff --git a/mozilla/layout/style/nsCSSStyleRule.cpp b/mozilla/layout/style/nsCSSStyleRule.cpp
index 3bd6a337810..a89623788f4 100644
--- a/mozilla/layout/style/nsCSSStyleRule.cpp
+++ b/mozilla/layout/style/nsCSSStyleRule.cpp
@@ -436,7 +436,7 @@ nscoord CSSStyleRuleImpl::CalcLength(const nsCSSValue& aValue,
     case eCSSUnit_EN:
       return (aFont->mFont.size / 2);
     case eCSSUnit_XHeight:
-      NS_NOTYETIMPLEMENTED("x height unit");
+//      NS_NOTYETIMPLEMENTED("x height unit");
       return ((aFont->mFont.size / 3) * 2); // XXX HACK!
     case eCSSUnit_CapHeight:
       NS_NOTYETIMPLEMENTED("cap height unit");