diff --git a/.gdbinit b/.gdbinit
index d246d7314c6f..698b3bc62242 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -172,20 +172,6 @@ document ptarray
         ptarray a 1 2 - Prints elements in range [idx1..idx2] from tarray
 end
 
-# define a "pregion" command to print a region in the same format as ToString()
-def pregion
-  set $r = $arg0.mImpl.mRectListHead.next
-  printf "["
-  while ($r != &$arg0.mImpl.mRectListHead)
-    if ($r !=  $arg0.mImpl.mRectListHead.next)
-        printf "; "
-    end
-    printf "%d,%d,%d,%d", $r->x, $r->y, $r->x + $r->width, $r->y + $r->height
-    set $r = $r->next
-  end
-  printf "]\n"
-end
-
 def js
   call DumpJSStack()
 end