diff --git a/lib/crewai/src/crewai/a2a/errors.py b/lib/crewai/src/crewai/a2a/errors.py
index b55200708..56d82e110 100644
--- a/lib/crewai/src/crewai/a2a/errors.py
+++ b/lib/crewai/src/crewai/a2a/errors.py
@@ -98,7 +98,6 @@ class A2AErrorCode(IntEnum):
     """The specified artifact was not found."""
 
 
-# Error code to default message mapping
 ERROR_MESSAGES: dict[int, str] = {
     A2AErrorCode.JSON_PARSE_ERROR: "Parse error",
     A2AErrorCode.INVALID_REQUEST: "Invalid Request",
diff --git a/lib/crewai/src/crewai/a2a/extensions/base.py b/lib/crewai/src/crewai/a2a/extensions/base.py
index b94e9543e..d9a280506 100644
--- a/lib/crewai/src/crewai/a2a/extensions/base.py
+++ b/lib/crewai/src/crewai/a2a/extensions/base.py
@@ -63,25 +63,21 @@ class A2AExtension(Protocol):
     Example:
         class MyExtension:
             def inject_tools(self, agent: Agent) -> None:
-                # Add custom tools to the agent
                 pass
 
             def extract_state_from_history(
                 self, conversation_history: Sequence[Message]
             ) -> ConversationState | None:
-                # Extract state from conversation
                 return None
 
             def augment_prompt(
                 self, base_prompt: str, conversation_state: ConversationState | None
             ) -> str:
-                # Add custom instructions
                 return base_prompt
 
             def process_response(
                 self, agent_response: Any, conversation_state: ConversationState | None
             ) -> Any:
-                # Modify response if needed
                 return agent_response
     """
 
diff --git a/lib/crewai/src/crewai/a2a/utils/response_model.py b/lib/crewai/src/crewai/a2a/utils/response_model.py
index 4e65ef2b7..1359e2f10 100644
--- a/lib/crewai/src/crewai/a2a/utils/response_model.py
+++ b/lib/crewai/src/crewai/a2a/utils/response_model.py
@@ -77,7 +77,6 @@ def extract_a2a_agent_ids_from_config(
     else:
         configs = a2a_config
 
-    # Filter to only client configs (those with endpoint)
     client_configs: list[A2AClientConfigTypes] = [
         config for config in configs if isinstance(config, (A2AConfig, A2AClientConfig))
     ]