diff --git a/gallery_dl/extractor/common.py b/gallery_dl/extractor/common.py
index f726f99c..a34daadf 100644
--- a/gallery_dl/extractor/common.py
+++ b/gallery_dl/extractor/common.py
@@ -8,10 +8,12 @@
 
 """Common classes and constants used by extractor modules."""
 
+import time
 import queue
-import threading
 import requests
-# from ..util import safe_request
+import threading
+import html.parser
+
 
 class Message():
 
@@ -95,3 +97,34 @@ class AsyncExtractor(Extractor):
             import traceback
             print(traceback.format_exc())
         put(None)
+
+
+def safe_request(session, url, method="GET", *args, **kwargs):
+    tries = 0
+    while True:
+        # try to connect to remote source
+        try:
+            r = session.request(method, url, *args, **kwargs)
+        except requests.exceptions.ConnectionError:
+            tries += 1
+            time.sleep(1)
+            if tries == 5:
+                raise
+            continue
+
+        # reject error-status-codes
+        if r.status_code != requests.codes.ok:
+            tries += 1
+            time.sleep(1)
+            if tries == 5:
+                r.raise_for_status()
+            continue
+
+        # everything ok -- proceed to download
+        return r
+
+def filename_from_url(url):
+    pos = url.rfind("/")
+    return url[pos+1:]
+
+unescape = html.parser.HTMLParser().unescape
diff --git a/gallery_dl/util.py b/gallery_dl/util.py
deleted file mode 100644
index e5e0cb4f..00000000
--- a/gallery_dl/util.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import time
-import requests
-import html.parser
-
-def safe_request(session, url, method="GET", *args, **kwargs):
-    tries = 0
-    while True:
-        # try to connect to remote source
-        try:
-            r = session.request(method, url, *args, **kwargs)
-        except requests.exceptions.ConnectionError:
-            tries += 1
-            time.sleep(1)
-            if tries == 5:
-                raise
-            continue
-
-        # reject error-status-codes
-        if r.status_code != requests.codes.ok:
-            tries += 1
-            time.sleep(1)
-            if tries == 5:
-                r.raise_for_status()
-            continue
-
-        # everything ok -- proceed to download
-        return r
-
-def filename_from_url(url):
-    pos = url.rfind("/")
-    return url[pos+1:]
-
-unescape = html.parser.HTMLParser().unescape