diff --git a/lang/cem/libcc.ansi/head_ac.e b/lang/cem/libcc.ansi/head_ac.e
index 9a9d55228..b97e58b4d 100644
--- a/lang/cem/libcc.ansi/head_ac.e
+++ b/lang/cem/libcc.ansi/head_ac.e
@@ -17,6 +17,9 @@
  *
  */
 
+/* Disabled catch handler --- this is the platform's job. dtrg */
+#undef CATCHHANDLER
+
  mes 2,_EM_WSIZE,_EM_PSIZE
 
  exa environ
@@ -30,10 +33,12 @@
  loi _EM_PSIZE
  lae environ
  sti _EM_PSIZE
+#ifdef CATCHHANDLER
 #if __unix && ! (__em22 || __em24 || __em44)
  lpi $_ctch_
  sig
  asp _EM_PSIZE
+#endif
 #endif
  lal _EM_WSIZE+_EM_PSIZE
  loi _EM_PSIZE
@@ -47,6 +52,7 @@
  cal $exit
  end
 
+#ifdef CATCHHANDLER
 #if __unix && ! (__em22 || __em24 || __em44)
  exp $_ctch_
  pro $_ctch_,0
@@ -72,3 +78,4 @@
  rtt
  end 0
 #endif
+#endif