diff --git a/z.sh b/z.sh
index 5f4024a..5f4415d 100755
--- a/z.sh
+++ b/z.sh
@@ -218,3 +218,6 @@ elif complete &> /dev/null; then
   }
  }
 fi
+
+# we can unset these as they are only used during setup
+unset -v _Z_NO_PROMPT_COMMAND _Z_NO_RESOLVE_SYMLINKS _Z_RESOLVE_SYMLINKS