diff --git a/55-agents.zsh b/55-agents.zsh
index e4c2a77..6d18ed6 100644
--- a/55-agents.zsh
+++ b/55-agents.zsh
@@ -6,10 +6,12 @@
 ##
 # SSH agent
 ##
-# zstyle :omz:plugins:ssh-agent agent-forwarding on
-# zstyle :omz:plugins:ssh-agent identities id_rsa
-# zstyle :omz:plugins:ssh-agent lifetime 10h
-# zinit snippet OMZP::ssh-agent
+# if command -v ssh-agent >/dev/null 2>&1; then
+# 	zstyle :omz:plugins:ssh-agent agent-forwarding on
+# 	zstyle :omz:plugins:ssh-agent identities id_rsa
+# 	zstyle :omz:plugins:ssh-agent lifetime 10h
+# 	zinit snippet OMZP::ssh-agent
+# fi
 
 ##
 # GPG agent
@@ -24,7 +26,9 @@
 ##
 # Keychain
 ##
-# zstyle :omz:plugins:keychain identities id_rsa 01234567
-# zstyle :omz:plugins:keychain options --quiet --inherit any-once --noask --nocolor --gpg2 --absolute --dir ~/.cache/keychain
-# zstyle :omz:plugins:keychain agents gpg,ssh
-# zinit snippet OMZP::keychain
+# if command -v keychain >/dev/null 2>&1; then
+#	zstyle :omz:plugins:keychain identities id_rsa 01234567
+#	zstyle :omz:plugins:keychain options --quiet --inherit any-once --noask --nocolor --gpg2 --absolute --dir ~/.cache/keychain
+#	zstyle :omz:plugins:keychain agents gpg,ssh
+#	zinit snippet OMZP::keychain
+# fi