diff --git a/src/hb-cff-interp-common.hh b/src/hb-cff-interp-common.hh
index 4f1764a33..0420e2bd9 100644
--- a/src/hb-cff-interp-common.hh
+++ b/src/hb-cff-interp-common.hh
@@ -575,12 +575,6 @@ struct ArgStack : Stack<ARG, 513>
     return this->pop ();
   }
 
-  inline void pop_num2 (ARG& n1, ARG& n2)
-  {
-    n2 = this->pop ();
-    n1 = this->pop ();
-  }
-
   inline int pop_int (void)
   {
     return this->pop ().to_int ();
@@ -613,18 +607,6 @@ struct ArgStack : Stack<ARG, 513>
     return true;
   }
 
-  inline void reverse_range (int i, int j)
-  {
-    assert (i >= 0 && i <= j);
-    ARG  tmp;
-    while (i < j)
-    {
-      tmp = S::elements[i];
-      S::elements[i++] = S::elements[j];
-      S::elements[j--] = tmp;
-    }
-  }
-
   private:
   typedef Stack<ARG, 513> S;
 };