diff --git a/tools/build-addon-index.py b/tools/build-addon-index.py
index f33d1ae791d..d2bb7aacc31 100755
--- a/tools/build-addon-index.py
+++ b/tools/build-addon-index.py
@@ -37,7 +37,6 @@ def __init__(self, filename):
         if lst[0][0] != "supertux-addoninfo":
             raise Exception("not a supertux-addoninfo: %s" % lst[0][0])
         else:
-            tags = {}
             for k, v in lst[0][1:]:
                 if k == "id":
                     self.id = v
diff --git a/tools/font-add-border.py b/tools/font-add-border.py
index a9e0b449651..02c937a0a70 100755
--- a/tools/font-add-border.py
+++ b/tools/font-add-border.py
@@ -16,7 +16,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from PIL import Image
-import sys
 import argparse
 
 # Add a 1 pixel border around every glyph in a font
diff --git a/tools/font-generator.py b/tools/font-generator.py
index 789a9a725f8..d33c02243e2 100755
--- a/tools/font-generator.py
+++ b/tools/font-generator.py
@@ -21,7 +21,6 @@
 import argparse
 import cairo
 import codecs
-import math
 import re
 
 class FontGenerator(object):
diff --git a/tools/sexpr.py b/tools/sexpr.py
index 4c69f920f6f..98d2e7b09ae 100755
--- a/tools/sexpr.py
+++ b/tools/sexpr.py
@@ -18,7 +18,6 @@
 #    misrepresented as being the original software.
 # 3. This notice may not be removed or altered from any source distribution.
 
-import re
 import codecs
 
 def parse(text):