diff --git a/src/pipecat/services/ultravox/stt.py b/src/pipecat/services/ultravox/stt.py
index 9f1cab832..4b9c3b16e 100644
--- a/src/pipecat/services/ultravox/stt.py
+++ b/src/pipecat/services/ultravox/stt.py
@@ -17,13 +17,6 @@ from loguru import logger
 
 from pipecat.frames.frames import (
     AudioRawFrame,
-    LLMFullResponseEndFrame,
-    LLMFullResponseStartFrame,
-    LLMTextFrame,
-    TranscriptionFrame,
-    TextFrame,
-    StartFrame,
-    EndFrame,
     CancelFrame,
     EndFrame,
     ErrorFrame,