diff --git a/src/models.json b/src/models.json
index c7f2e94..3fe0562 100644
--- a/src/models.json
+++ b/src/models.json
@@ -68,20 +68,6 @@
       "parallel_tool_calls": true
     }
   },
-  {
-    "id": "sonnet-4.6-xhigh",
-    "handle": "anthropic/claude-sonnet-4-6",
-    "label": "Sonnet 4.6",
-    "description": "Sonnet 4.6 (max reasoning)",
-    "updateArgs": {
-      "context_window": 200000,
-      "max_output_tokens": 128000,
-      "reasoning_effort": "xhigh",
-      "enable_reasoner": true,
-      "max_reasoning_tokens": 31999,
-      "parallel_tool_calls": true
-    }
-  },
   {
     "id": "sonnet-4.5",
     "handle": "anthropic/claude-sonnet-4-5-20250929",
@@ -161,20 +147,6 @@
       "parallel_tool_calls": true
     }
   },
-  {
-    "id": "opus-4.6-xhigh",
-    "handle": "anthropic/claude-opus-4-6",
-    "label": "Opus 4.6",
-    "description": "Opus 4.6 (max reasoning)",
-    "updateArgs": {
-      "context_window": 200000,
-      "max_output_tokens": 128000,
-      "reasoning_effort": "xhigh",
-      "enable_reasoner": true,
-      "max_reasoning_tokens": 31999,
-      "parallel_tool_calls": true
-    }
-  },
   {
     "id": "opus-4.5",
     "handle": "anthropic/claude-opus-4-5-20251101",
diff --git a/src/tests/model-tier-selection.test.ts b/src/tests/model-tier-selection.test.ts
index 8ce41be..4894cd5 100644
--- a/src/tests/model-tier-selection.test.ts
+++ b/src/tests/model-tier-selection.test.ts
@@ -77,14 +77,12 @@ describe("getReasoningTierOptionsForHandle", () => {
       "low",
       "medium",
       "high",
-      "xhigh",
     ]);
     expect(options.map((option) => option.modelId)).toEqual([
       "sonnet-4.6-no-reasoning",
       "sonnet-4.6-low",
       "sonnet-4.6-medium",
       "sonnet",
-      "sonnet-4.6-xhigh",
     ]);
   });
 
@@ -97,14 +95,12 @@ describe("getReasoningTierOptionsForHandle", () => {
       "low",
       "medium",
       "high",
-      "xhigh",
     ]);
     expect(options.map((option) => option.modelId)).toEqual([
       "opus-4.6-no-reasoning",
       "opus-4.6-low",
       "opus-4.6-medium",
       "opus",
-      "opus-4.6-xhigh",
     ]);
   });