diff --git a/weboob/tools/application/base.py b/weboob/tools/application/base.py
index e8461133..504bc932 100644
--- a/weboob/tools/application/base.py
+++ b/weboob/tools/application/base.py
@@ -25,7 +25,6 @@ import optparse
 from optparse import OptionGroup, OptionParser
 import os
 import sys
-import tempfile
 import warnings
 
 from weboob.capabilities.base import ConversionWarning, BaseObject
@@ -361,6 +360,7 @@ class BaseApplication(object):
         handlers = []
 
         if self.options.save_responses:
+            import tempfile
             responses_dirname = tempfile.mkdtemp(prefix='weboob_session_')
             print('Debug data will be saved in this directory: %s' % responses_dirname, file=sys.stderr)
             log_settings['save_responses'] = True
diff --git a/weboob/tools/application/console.py b/weboob/tools/application/console.py
index ef91abc4..c010f53c 100644
--- a/weboob/tools/application/console.py
+++ b/weboob/tools/application/console.py
@@ -27,7 +27,6 @@ import subprocess
 import sys
 import os
 import locale
-from tempfile import NamedTemporaryFile
 from ssl import SSLError
 
 from weboob.capabilities import UserError
@@ -494,6 +493,7 @@ class ConsoleApplication(BaseApplication):
     def acquire_input(self, content=None, editor_params=None):
         editor = os.getenv('EDITOR', 'vi')
         if sys.stdin.isatty() and editor:
+            from tempfile import NamedTemporaryFile
             with NamedTemporaryFile() as f:
                 filename = f.name
                 if content is not None:
diff --git a/weboob/tools/browser/browser.py b/weboob/tools/browser/browser.py
index d0d5931d..b0ccc432 100644
--- a/weboob/tools/browser/browser.py
+++ b/weboob/tools/browser/browser.py
@@ -35,7 +35,6 @@ except ImportError:
 
 import os
 import re
-import tempfile
 from threading import RLock
 import ssl
 import httplib
@@ -286,6 +285,7 @@ class StandardBrowser(mechanize.Browser):
         The stream is rewinded after saving.
         """
         if self.responses_dirname is None:
+            import tempfile
             self.responses_dirname = tempfile.mkdtemp(prefix='weboob_session_')
             print('Debug data will be saved in this directory: %s' % self.responses_dirname, file=sys.stderr)
         elif not os.path.isdir(self.responses_dirname):
diff --git a/weboob/tools/browser2/browser.py b/weboob/tools/browser2/browser.py
index bef5bdf7..03bfa0d7 100644
--- a/weboob/tools/browser2/browser.py
+++ b/weboob/tools/browser2/browser.py
@@ -24,9 +24,7 @@ try:
     from urllib.parse import urlparse, urljoin
 except ImportError:
     from urlparse import urlparse, urljoin
-import mimetypes
 import os
-import tempfile
 import sys
 
 try:
@@ -160,11 +158,13 @@ class BaseBrowser(object):
 
     def _save(self, response, warning=False, **kwargs):
         if self.responses_dirname is None:
+            import tempfile
             self.responses_dirname = tempfile.mkdtemp(prefix='weboob_session_')
             print('Debug data will be saved in this directory: %s' % self.responses_dirname, file=sys.stderr)
         elif not os.path.isdir(self.responses_dirname):
             os.makedirs(self.responses_dirname)
 
+        import mimetypes
         # get the content-type, remove optionnal charset part
         mimetype = response.headers.get('Content-Type', '').split(';')[0]
         # due to http://bugs.python.org/issue1043134
diff --git a/weboob/tools/date.py b/weboob/tools/date.py
index 7e1de45f..2c3bfe0f 100644
--- a/weboob/tools/date.py
+++ b/weboob/tools/date.py
@@ -19,7 +19,6 @@
 
 
 from datetime import date as real_date, datetime as real_datetime, timedelta
-import dateutil.parser
 import time
 import re
 try:
@@ -264,6 +263,7 @@ def parse_french_date(date):
     for fr, en in DATE_TRANSLATE_FR:
         date = fr.sub(en, date)
 
+    import dateutil.parser
     return dateutil.parser.parse(date)
 
 
diff --git a/weboob/tools/misc.py b/weboob/tools/misc.py
index 5d479071..a4ec6598 100644
--- a/weboob/tools/misc.py
+++ b/weboob/tools/misc.py
@@ -20,7 +20,6 @@
 
 import warnings
 from time import time, sleep
-from tempfile import gettempdir
 import os
 import sys
 import traceback
@@ -136,6 +135,7 @@ def ratelimit(group, delay):
     @param delay [int]  delay in seconds between each call
     """
 
+    from tempfile import gettempdir
     path = os.path.join(gettempdir(), 'weboob_ratelimit.%s' % group)
     while True:
         try: