diff --git a/mozilla/content/html/content/src/nsHTMLFontElement.cpp b/mozilla/content/html/content/src/nsHTMLFontElement.cpp
index 63ce87791b6..65eb39773c6 100644
--- a/mozilla/content/html/content/src/nsHTMLFontElement.cpp
+++ b/mozilla/content/html/content/src/nsHTMLFontElement.cpp
@@ -228,6 +228,7 @@ MapFontAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
           if (face.EqualsIgnoreCase("-moz-fixed")) {
             font->mFlags |= NS_STYLE_FONT_USE_FIXED;
           }
+/* bug 12737
           else {
 						nsCompatibility mode;
 		        aPresContext->GetCompatibilityMode(&mode);
@@ -235,6 +236,7 @@ MapFontAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
             	font->mFixedFont.name = familyList;
             }
           }
+*/
         }
         else {
           font->mFont.name = defaultFont.name;
diff --git a/mozilla/content/html/style/src/nsCSSStyleRule.cpp b/mozilla/content/html/style/src/nsCSSStyleRule.cpp
index 04e532acd65..088c833eefd 100644
--- a/mozilla/content/html/style/src/nsCSSStyleRule.cpp
+++ b/mozilla/content/html/style/src/nsCSSStyleRule.cpp
@@ -1282,6 +1282,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
               if (face.EqualsIgnoreCase("-moz-fixed")) {
                 font->mFlags |= NS_STYLE_FONT_USE_FIXED;
               }
+/* bug 12737
               else {
 								nsCompatibility mode;
 				        aPresContext->GetCompatibilityMode(&mode);
@@ -1289,6 +1290,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
                 	font->mFixedFont.name = familyList;
                 }
               }
+*/
             }
             else {
               font->mFont.name = defaultFont.name;
diff --git a/mozilla/layout/html/content/src/nsHTMLFontElement.cpp b/mozilla/layout/html/content/src/nsHTMLFontElement.cpp
index 63ce87791b6..65eb39773c6 100644
--- a/mozilla/layout/html/content/src/nsHTMLFontElement.cpp
+++ b/mozilla/layout/html/content/src/nsHTMLFontElement.cpp
@@ -228,6 +228,7 @@ MapFontAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
           if (face.EqualsIgnoreCase("-moz-fixed")) {
             font->mFlags |= NS_STYLE_FONT_USE_FIXED;
           }
+/* bug 12737
           else {
 						nsCompatibility mode;
 		        aPresContext->GetCompatibilityMode(&mode);
@@ -235,6 +236,7 @@ MapFontAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
             	font->mFixedFont.name = familyList;
             }
           }
+*/
         }
         else {
           font->mFont.name = defaultFont.name;
diff --git a/mozilla/layout/html/style/src/nsCSSStyleRule.cpp b/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
index 04e532acd65..088c833eefd 100644
--- a/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
+++ b/mozilla/layout/html/style/src/nsCSSStyleRule.cpp
@@ -1282,6 +1282,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
               if (face.EqualsIgnoreCase("-moz-fixed")) {
                 font->mFlags |= NS_STYLE_FONT_USE_FIXED;
               }
+/* bug 12737
               else {
 								nsCompatibility mode;
 				        aPresContext->GetCompatibilityMode(&mode);
@@ -1289,6 +1290,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
                 	font->mFixedFont.name = familyList;
                 }
               }
+*/
             }
             else {
               font->mFont.name = defaultFont.name;
diff --git a/mozilla/layout/style/nsCSSStyleRule.cpp b/mozilla/layout/style/nsCSSStyleRule.cpp
index 04e532acd65..088c833eefd 100644
--- a/mozilla/layout/style/nsCSSStyleRule.cpp
+++ b/mozilla/layout/style/nsCSSStyleRule.cpp
@@ -1282,6 +1282,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
               if (face.EqualsIgnoreCase("-moz-fixed")) {
                 font->mFlags |= NS_STYLE_FONT_USE_FIXED;
               }
+/* bug 12737
               else {
 								nsCompatibility mode;
 				        aPresContext->GetCompatibilityMode(&mode);
@@ -1289,6 +1290,7 @@ MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
                 	font->mFixedFont.name = familyList;
                 }
               }
+*/
             }
             else {
               font->mFont.name = defaultFont.name;