diff --git a/share/qtcreator/debugger/dumper.py b/share/qtcreator/debugger/dumper.py
index 7db5c7084dc..0a3253a758b 100644
--- a/share/qtcreator/debugger/dumper.py
+++ b/share/qtcreator/debugger/dumper.py
@@ -25,7 +25,6 @@
 
 import os
 import codecs
-import copy
 import collections
 import struct
 import sys
@@ -33,7 +32,6 @@ import base64
 import re
 import time
 import inspect
-import threading
 from utils import DisplayFormat, TypeCode
 
 try:
diff --git a/share/qtcreator/debugger/gdbbridge.py b/share/qtcreator/debugger/gdbbridge.py
index c88811ae927..a79e9edb180 100644
--- a/share/qtcreator/debugger/gdbbridge.py
+++ b/share/qtcreator/debugger/gdbbridge.py
@@ -35,7 +35,6 @@ import re
 import sys
 import struct
 import tempfile
-import types
 
 from dumper import DumperBase, Children, toInteger, TopLevelItem
 from utils import TypeCode