diff --git a/installsystems/database.py b/installsystems/database.py
index df02b953f8baf98f9774ad6ee0b4d5e6d2e01495..3722afe94746df73aafb1a433d38236ced5de2de 100644
--- a/installsystems/database.py
+++ b/installsystems/database.py
@@ -7,8 +7,6 @@ Database stuff
 '''
 
 import os
-import shutil
-import cStringIO
 import sqlite3
 import installsystems.tools as istools
 import installsystems.template as istemplate
diff --git a/installsystems/printer.py b/installsystems/printer.py
index fe05891dad038270140f095e94f55d39bcc201b1..4fcd79781e8d70effda3f921befb2a58e4845821 100644
--- a/installsystems/printer.py
+++ b/installsystems/printer.py
@@ -8,7 +8,6 @@ Install Systems Printer module
 
 import sys
 import os
-import signal
 import installsystems
 
 color = {
diff --git a/installsystems/repository.py b/installsystems/repository.py
index a0cdc3a0d98e51e2228020473e4bbaafc4f4ffed..84ca421506c007107d34c32a4f9a25c5ee13a485 100644
--- a/installsystems/repository.py
+++ b/installsystems/repository.py
@@ -11,7 +11,6 @@ import time
 import shutil
 import pwd
 import grp
-import copy
 import tempfile
 import installsystems
 import installsystems.tools as istools