diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 94748617f..3ca6315bb 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -367,14 +367,16 @@ class Coder:
 
         assert self.summarizer_thread is None
         assert self.summarized_done_messages is None
-        print("launching working")
+        if self.verbose:
+            self.io.tool_output("Starting to summarize chat history.")
+
         self.summarizer_thread = threading.Thread(target=self.summarize_worker)
         self.summarizer_thread.start()
 
     def summarize_worker(self):
-        print("working!")
         self.summarized_done_messages = self.summarizer.summarize(self.done_messages)
-        print("done!")
+        if self.verbose:
+            self.io.tool_output("Finished summarizing chat history.")
 
     def summarize_end(self):
         if self.summarizer_thread is None:
diff --git a/aider/history.py b/aider/history.py
index e6f1e3c5c..61a21c491 100644
--- a/aider/history.py
+++ b/aider/history.py
@@ -16,7 +16,6 @@ class ChatSummary:
     def too_big(self, messages):
         sized = self.tokenize(messages)
         total = sum(tokens for tokens, _msg in sized)
-        dump(total, self.max_tokens)
         return total > self.max_tokens
 
     def tokenize(self, messages):