diff --git a/sentry_sdk/integrations/mcp.py b/sentry_sdk/integrations/mcp.py
index 9a3f076fec..f847a73941 100644
--- a/sentry_sdk/integrations/mcp.py
+++ b/sentry_sdk/integrations/mcp.py
@@ -298,12 +298,6 @@ async def _instrument_tool_call(
             SPANDATA.GEN_AI_TOOL_CALL_RESULT,
             safe_serialize(result_content),
         )
-        # Set content count if result is a dict
-        if isinstance(result_content, dict):
-            span.set_attribute(
-                SPANDATA.MCP_TOOL_RESULT_CONTENT_COUNT,
-                len(result_content),
-            )
 
     return result
 
diff --git a/tests/integrations/mcp/test_mcp.py b/tests/integrations/mcp/test_mcp.py
index 7cac486de4..ed7946a64d 100644
--- a/tests/integrations/mcp/test_mcp.py
+++ b/tests/integrations/mcp/test_mcp.py
@@ -320,7 +320,6 @@ async def test_tool(ctx, params):
             "value": 42,
         }
     )
-    assert data[SPANDATA.MCP_TOOL_RESULT_CONTENT_COUNT] == 2
 
 
 @pytest.mark.asyncio
@@ -389,7 +388,6 @@ async def test_tool(ctx, params):
     assert SPANDATA.MCP_SESSION_ID not in data
 
     assert SPANDATA.GEN_AI_TOOL_CALL_RESULT not in data
-    assert SPANDATA.MCP_TOOL_RESULT_CONTENT_COUNT not in data
 
 
 @pytest.mark.asyncio
@@ -1183,7 +1181,6 @@ async def test_tool_tuple(ctx, params):
             "count": 5,
         }
     )
-    assert data[SPANDATA.MCP_TOOL_RESULT_CONTENT_COUNT] == 2
 
 
 @pytest.mark.asyncio
@@ -1231,7 +1228,6 @@ async def test_tool_tuple(ctx, params):
     data = span["attributes"]
 
     assert SPANDATA.GEN_AI_TOOL_CALL_RESULT not in data
-    assert SPANDATA.MCP_TOOL_RESULT_CONTENT_COUNT not in data
 
 
 @pytest.mark.asyncio