diff --git a/src/namedef.h b/src/namedef.h
index 2f312d6a0..d06ca9ccc 100644
--- a/src/namedef.h
+++ b/src/namedef.h
@@ -306,7 +306,6 @@ xx(CallACS)
 xx(Sqrt)
 xx(CheckClass)
 xx(IsPointerEqual)
-xx(CountInv)
 xx(Pick)
 xx(Mass)
 xx(VelX)