=== modified file 'common.zsh'
--- common.zsh	2017-12-13 20:35:41 +0000
+++ common.zsh	2017-12-13 18:43:05 +0000
@@ -423,13 +423,8 @@
 	dep_add_file $DO
 	dep_add_file common.zsh
 	parse-previous
-	if (($+previous[__check_deps__]));  then
-		if (($+debug_deps)) && (($debug_deps)); then
-			strace -fe trace=process execlineb -c $previous[__check_deps__] \
-				&& exit_unchanged
-		else
-			execlineb -c $previous[__check_deps__] && exit_unchanged
-		fi
+	if (($+previous[__check_deps__])) && execlineb -c $previous[__check_deps__]; then
+		exit_unchanged
 	fi
 	main || exit $?
 	finish