diff --git a/bugbug/phabricator.py b/bugbug/phabricator.py
index 98761cdba4..de1b26384d 100644
--- a/bugbug/phabricator.py
+++ b/bugbug/phabricator.py
@@ -7,6 +7,7 @@
 from datetime import datetime, timedelta
 from typing import Collection, Iterator, NewType
 
+import requests
 import tenacity
 from libmozdata.phabricator import PhabricatorAPI
 from tqdm import tqdm
@@ -291,3 +292,17 @@ def get_pending_review_time(rev: RevisionDict) -> timedelta | None:
         return datetime.utcnow() - last_exclusion_end_date
     else:
         return datetime.utcnow() - creation_date
+
+
+def fetch_diff(revision_id, patch_id):
+    try:
+        url = f"https://phabricator.services.mozilla.com/D{revision_id}?id={patch_id}&download=true"
+        response = requests.get(url)
+        response.raise_for_status()
+        return response.text
+    except requests.HTTPError as e:
+        logger.error(f"HTTP error fetching diff: {e}")
+        return None
+    except Exception as e:
+        logger.error(f"Unexpected error: {e}")
+        return None
diff --git a/bugbug/tools/code_review_generation.py b/bugbug/tools/code_review_generation.py
index 30bf8e9e4a..22f1a3770b 100644
--- a/bugbug/tools/code_review_generation.py
+++ b/bugbug/tools/code_review_generation.py
@@ -3,12 +3,12 @@
 import logging
 import re
 
-import requests
 from langchain_openai import OpenAIEmbeddings
 from libmozdata.phabricator import PhabricatorAPI
 from qdrant_client import QdrantClient
 
 from bugbug.generative_model_tool import GenerativeModelTool
+from bugbug.phabricator import fetch_diff
 from bugbug.tools.code_review import PhabricatorReviewData
 from bugbug.utils import get_secret
 from bugbug.vectordb import QdrantVectorDB, VectorPoint
@@ -253,20 +253,6 @@ def get_revision_id_from_patch(patch_id):
         return None
 
 
-def fetch_diff(revision_id, patch_id):
-    try:
-        url = f"https://phabricator.services.mozilla.com/D{revision_id}?id={patch_id}&download=true"
-        response = requests.get(url)
-        response.raise_for_status()
-        return response.text
-    except requests.HTTPError as e:
-        logger.error(f"HTTP error fetching diff: {e}")
-        return None
-    except Exception as e:
-        logger.error(f"Unexpected error: {e}")
-        return None
-
-
 def generate_prompt(
     comment_content,
     relevant_diff,