diff --git a/.codex/config.toml b/.codex/config.toml
index 771bbeb..a301ff3 100644
--- a/.codex/config.toml
+++ b/.codex/config.toml
@@ -1,4 +1,4 @@
-model = "gpt-5.4"
+model = "gpt-5.5"
 model_reasoning_effort = "xhigh"
 personality = "pragmatic"
 plan_mode_reasoning_effort = "xhigh"
@@ -7,16 +7,6 @@ approval_policy = "on-request"
 sandbox_mode = "workspace-write"
 web_search = "live"
 
-notify = [
-  "terminal-notifier",
-  "-title",
-  "Codex CLI",
-  "-message",
-  "Task completed!",
-  "-sound",
-  "default",
-]
-
 [features]
 multi_agent = true
 prevent_idle_sleep = true