diff --git a/internal/providers/configs/copilot.json b/internal/providers/configs/copilot.json
index 22ba7b76b31e2708489da7611f08a1916315c9aa..dc51452b139b0374d57735eb7e52fd50af298f7b 100644
--- a/internal/providers/configs/copilot.json
+++ b/internal/providers/configs/copilot.json
@@ -174,18 +174,6 @@
       "can_reason": false,
       "supports_attachments": true
     },
-    {
-      "id": "gpt-5.1",
-      "name": "GPT-5.1",
-      "cost_per_1m_in": 0,
-      "cost_per_1m_out": 0,
-      "cost_per_1m_in_cached": 0,
-      "cost_per_1m_out_cached": 0,
-      "context_window": 264000,
-      "default_max_tokens": 64000,
-      "can_reason": false,
-      "supports_attachments": true
-    },
     {
       "id": "gpt-5.2",
       "name": "GPT-5.2",