--- a/browser/chrome/browser/devtools/debugger.dtd
+++ b/browser/chrome/browser/devtools/debugger.dtd
@@ -79,17 +79,16 @@
   -  in the source editor's context menu for the global search operation. -->
 <!ENTITY debuggerUI.searchGlobal        "Rechercher dans tous les fichiers">
 <!ENTITY debuggerUI.searchGlobal.key    "f">
 
 <!-- LOCALIZATION NOTE (debuggerUI.searchFunction): This is the text that appears
   -  in the source editor's context menu for the function search operation. -->
 <!ENTITY debuggerUI.searchFunction      "Rechercher une définition de fonction">
 <!ENTITY debuggerUI.searchFunction.key  "d">
-<!ENTITY debuggerUI.searchFunction.altkey "O">
 
 <!-- LOCALIZATION NOTE (debuggerUI.searchToken): This is the text that appears
   -  in the source editor's context menu for the token search operation. -->
 <!ENTITY debuggerUI.searchToken         "Rechercher">
 <!ENTITY debuggerUI.searchToken.key     "R">
 
 <!-- LOCALIZATION NOTE (debuggerUI.searchLine): This is the text that appears
   -  in the source editor's context menu for the line search operation. -->