diff --git a/docs/reference.html b/docs/reference.html
index 31eb362..48b2850 100644
--- a/docs/reference.html
+++ b/docs/reference.html
@@ -365,13 +365,12 @@ Wrapper to push a new error object on the stack using a printf formatting string
 
 <pre>
 int js_gettop(js_State *J);
-void js_settop(js_State *J, int idx); -- not implemented yet
 void js_pop(js_State *J, int n);
 void js_rot(js_State *J, int n);
 void js_copy(js_State *J, int idx);
 void js_remove(js_State *J, int idx);
-void js_insert(js_State *J, int idx); -- not implemented yet
-void js_replace(js_State* J, int idx); -- not implemented yet
+void js_insert(js_State *J, int idx);
+void js_replace(js_State* J, int idx);
 </pre>
 
 <h3>Comparisons and arithmetic</h3>
diff --git a/mujs.h b/mujs.h
index 075ad58..d5dcc93 100644
--- a/mujs.h
+++ b/mujs.h
@@ -193,7 +193,6 @@ short js_toint16(js_State *J, int idx);
 unsigned short js_touint16(js_State *J, int idx);
 
 int js_gettop(js_State *J);
-void js_settop(js_State *J, int idx);
 void js_pop(js_State *J, int n);
 void js_rot(js_State *J, int n);
 void js_copy(js_State *J, int idx);