diff --git a/js/src/jsdbgapi.cpp b/js/src/jsdbgapi.cpp
index 234f4711f3b8..6e2075779c6d 100644
--- a/js/src/jsdbgapi.cpp
+++ b/js/src/jsdbgapi.cpp
@@ -1267,9 +1267,7 @@ JS_EvaluateUCInStackFrame(JSContext *cx, JSStackFrame *fp,
     flags = fp->flags;
     fp->flags |= JSFRAME_DEBUGGER | JSFRAME_EVAL;
     script = js_CompileScript(cx, scobj, JS_StackFramePrincipals(cx, fp),
-                              TCF_COMPILE_N_GO |
-                              TCF_PUT_STATIC_DEPTH(fp->script->staticDepth + 1),
-                              chars, length, NULL,
+                              TCF_COMPILE_N_GO, chars, length, NULL,
                               filename, lineno);
     fp->flags = flags;
     if (!script)
diff --git a/js/src/jsemit.cpp b/js/src/jsemit.cpp
index 34aa6fa69d2c..f647b52e7908 100644
--- a/js/src/jsemit.cpp
+++ b/js/src/jsemit.cpp
@@ -1878,9 +1878,6 @@ BindNameToSlot(JSContext *cx, JSCodeGenerator *cg, JSParseNode *pn)
 
     if (!(tc->flags & TCF_IN_FUNCTION)) {
         if ((cx->fp->flags & JSFRAME_SPECIAL) && cx->fp->fun) {
-            if (cg->staticDepth > JS_DISPLAY_SIZE)
-                goto out;
-
             localKind = js_LookupLocal(cx, cx->fp->fun, atom, &index);
             if (localKind != JSLOCAL_NONE) {
                 if (PN_OP(pn) == JSOP_NAME) {
diff --git a/js/src/jsemit.h b/js/src/jsemit.h
index e40eb2d83afc..c416f4a3c47a 100644
--- a/js/src/jsemit.h
+++ b/js/src/jsemit.h
@@ -209,14 +209,6 @@ struct JSTreeContext {              /* tree context for semantic checks */
                                  TCF_FUN_USES_NONLOCALS |                     \
                                  TCF_FUN_CLOSURE_VS_VAR)
 
-/*
- * Flags field, not stored in JSTreeContext.flags, for passing staticDepth
- * into js_CompileScript.
- */
-#define TCF_STATIC_DEPTH_MASK   0xffff0000
-#define TCF_GET_STATIC_DEPTH(f) ((uint32)(f) >> 16)
-#define TCF_PUT_STATIC_DEPTH(d) ((uint16)(d) << 16)
-
 #ifdef JS_SCOPE_DEPTH_METER
 # define JS_SCOPE_DEPTH_METERING(code) ((void) (code))
 #else
diff --git a/js/src/jsobj.cpp b/js/src/jsobj.cpp
index b1d08c92ec60..6b21bf1db429 100644
--- a/js/src/jsobj.cpp
+++ b/js/src/jsobj.cpp
@@ -1318,15 +1318,14 @@ js_obj_eval(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
         fp->flags |= JSFRAME_EVAL;
     } while ((fp = fp->down) != caller);
 
-    script = js_CompileScript(cx, scopeobj, principals,
-                              TCF_COMPILE_N_GO |
-                              TCF_PUT_STATIC_DEPTH(caller->script->staticDepth + 1),
+    script = js_CompileScript(cx, scopeobj, principals, TCF_COMPILE_N_GO,
                               JSSTRING_CHARS(str), JSSTRING_LENGTH(str),
                               NULL, file, line);
     if (!script) {
         ok = JS_FALSE;
         goto out;
     }
+    script->staticDepth = caller->script->staticDepth + 1;
 
     if (argc < 2) {
         /* Execute using caller's new scope object (might be a Call object). */
diff --git a/js/src/jsparse.cpp b/js/src/jsparse.cpp
index 6296523fa943..7e835e668e5c 100644
--- a/js/src/jsparse.cpp
+++ b/js/src/jsparse.cpp
@@ -566,7 +566,7 @@ js_CompileScript(JSContext *cx, JSObject *obj, JSPrincipals *principals,
     void *sbrk(ptrdiff_t), *before = sbrk(0);
 #endif
 
-    JS_ASSERT(!(tcflags & ~(TCF_COMPILE_N_GO | TCF_NO_SCRIPT_RVAL | TCF_STATIC_DEPTH_MASK)));
+    JS_ASSERT(!(tcflags & ~(TCF_COMPILE_N_GO | TCF_NO_SCRIPT_RVAL)));
 
     if (!js_InitParseContext(cx, &pc, principals, chars, length, file,
                              filename, lineno)) {
@@ -591,8 +591,7 @@ js_CompileScript(JSContext *cx, JSObject *obj, JSPrincipals *principals,
                          pc.tokenStream.lineno);
 
     /* From this point the control must flow via the label out. */
-    cg.treeContext.flags |= (uint16) tcflags;
-    cg.staticDepth = TCF_GET_STATIC_DEPTH(tcflags);
+    cg.treeContext.flags |= tcflags;
 
     /*
      * Inline Statements() to emit as we go to save space.
diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
index b2f2eb45a1ed..0c2dfec6b72e 100644
--- a/js/src/jsscript.cpp
+++ b/js/src/jsscript.cpp
@@ -263,7 +263,7 @@ script_compile_sub(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
      * and compile-time scope.
      */
     fp->flags |= JSFRAME_SCRIPT_OBJECT;
-    tcflags = caller ? TCF_PUT_STATIC_DEPTH(caller->staticDepth + 1) : 0;
+    tcflags = 0;
     script = js_CompileScript(cx, scopeobj, principals, tcflags,
                               JSSTRING_CHARS(str), JSSTRING_LENGTH(str),
                               NULL, file, line);