diff --git a/zshenv b/zshenv
index d7bc359..55a115a 100644
--- a/zshenv
+++ b/zshenv
@@ -18,6 +18,6 @@ init_path
 init_env
 init_env_python
 
-if autoload +X init_env_$SYS; then
+if autoload +X init_env_$SYS &>-; then
     init_env_$SYS
 fi
diff --git a/zshrc b/zshrc
index 395a4de..328b225 100644
--- a/zshrc
+++ b/zshrc
@@ -19,11 +19,12 @@ init_zsh_options
 init_zsh_history
 init_app_environments
 
-autoload +X init_rc_$SYS
-init_rc_$SYS
+if autoload +X init_rc_$SYS &>-; then
+    init_rc_$SYS
+fi
 
 # Configure ls with the system ls if it hasn't been done already.
-if ! alias ls 2>&1 1>/dev/null; then
+if ! alias ls &>-; then
     init_configure_ls `which ls`
 fi