diff --git a/src/build/file2str.py b/src/build/file2str.py
index 6dace489050..ee5ce21541d 100644
--- a/src/build/file2str.py
+++ b/src/build/file2str.py
@@ -2,7 +2,6 @@
 
 from __future__ import with_statement
 
-import string
 import sys
 import os
 
diff --git a/src/build/png.py b/src/build/png.py
index 1e0b31fb316..f10210ed08d 100644
--- a/src/build/png.py
+++ b/src/build/png.py
@@ -2660,7 +2660,6 @@ def _main(argv):
 
     # Parse command line arguments
     from optparse import OptionParser
-    import re
     version = '%prog ' + __version__
     parser = OptionParser(version=version)
     parser.set_usage("%prog [options] [imagefile]")
diff --git a/src/emu/cpu/arcompact/arcompact_make.py b/src/emu/cpu/arcompact/arcompact_make.py
index 9e8eef9bf10..adc7e98fc4d 100644
--- a/src/emu/cpu/arcompact/arcompact_make.py
+++ b/src/emu/cpu/arcompact/arcompact_make.py
@@ -1,7 +1,6 @@
 #!/usr/bin/python
 
 import sys
-import re
 
 def EmitGroup04_Handle_NZ_Flags(f, funcname, opname):
         print >>f, "		if (result & 0x80000000) { STATUS32_SET_N; }"
diff --git a/src/emu/cpu/m6809/m6809make.py b/src/emu/cpu/m6809/m6809make.py
index b09a82e3a01..04025fc3bbb 100644
--- a/src/emu/cpu/m6809/m6809make.py
+++ b/src/emu/cpu/m6809/m6809make.py
@@ -1,8 +1,6 @@
 #!/usr/bin/python
 
 import sys
-import logging
-import fileinput
 import re
 
 # Initial state