--- a/ipc/testshell/XPCShellEnvironment.cpp
+++ b/ipc/testshell/XPCShellEnvironment.cpp
@@ -422,33 +422,16 @@ GC(JSContext *cx,
            );
 #ifdef JS_GCMETER
     js_DumpGCStats(rt, stdout);
 #endif
     JS_SET_RVAL(cx, vp, JSVAL_VOID);
     return JS_TRUE;
 }
 
-#ifdef JS_GC_ZEAL
-static JSBool
-GCZeal(JSContext *cx,
-       JSObject *obj,
-       uintN argc,
-       jsval *argv,
-       jsval *rval)
-{
-  uint32 zeal;
-  if (!JS_ValueToECMAUint32(cx, argv[0], &zeal))
-    return JS_FALSE;
-
-  JS_SetGCZeal(cx, (PRUint8)zeal);
-  return JS_TRUE;
-}
-#endif
-
 #ifdef DEBUG
 
 static JSBool
 DumpHeap(JSContext *cx,
          uintN argc,
          jsval *vp)
 {
     JSAutoByteString fileName;
@@ -553,19 +536,16 @@ JSFunctionSpec gGlobalFunctions[] =
     {"print",           Print,          0,0},
     {"load",            Load,           1,0},
     {"quit",            Quit,           0,0},
     {"version",         Version,        1,0},
     {"build",           BuildDate,      0,0},
     {"dumpXPC",         DumpXPC,        1,0},
     {"dump",            Dump,           1,0},
     {"gc",              GC,             0,0},
-#ifdef JS_GC_ZEAL
-    {"gczeal",          GCZeal,         1,0},
-#endif
     {"clear",           Clear,          1,0},
 #ifdef DEBUG
     {"dumpHeap",        DumpHeap,       5,0},
 #endif
 #ifdef MOZ_SHARK
     {"startShark",      js_StartShark,      0,0},
     {"stopShark",       js_StopShark,       0,0},
     {"connectShark",    js_ConnectShark,    0,0},