diff --git a/tools/comcom.lisp b/tools/comcom.lisp
index c0d76e6b47f1a121f4a61807dd8b29b48a5841cc..5187ea935e6b6dea02384728d5f1f20b41bcbbef 100644
--- a/tools/comcom.lisp
+++ b/tools/comcom.lisp
@@ -284,8 +284,6 @@
     (:optimize '(optimize (debug-info 2) (safety 1)))
   (comf "target:compiler/ir2tran"))
 (comf "target:compiler/copyprop")
-(unless (c:target-featurep '(or :hppa :x86))
-  (comf "target:compiler/assem-opt"))
 (with-compilation-unit
     (:optimize '(optimize (debug-info 2) (safety 1)))
   (comf "target:compiler/represent"))
@@ -297,7 +295,6 @@
 (with-compilation-unit
     (:optimize '(optimize (debug-info 2) (safety 2)))
   (comf "target:compiler/debug"))
-(comf "target:compiler/assem-check")
 (comf "target:compiler/statcount")
 (comf "target:compiler/dyncount")