--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -892,14 +892,14 @@
 SET (found_python3 )
 IF (NOT "${_PYTHON3}" STREQUAL "_PYTHON3-NOTFOUND")
     SET (found_python3 "1")
-    EXECUTE_PROCESS(COMMAND "python3" "-c" "import random2; import sys; sys.exit(0);" RESULT_VARIABLE _random2)
+    EXECUTE_PROCESS(COMMAND "python3" "-c" "import sys; sys.exit(0);" RESULT_VARIABLE _random2)
     IF ("${_random2}" STREQUAL "0")
         SET (found_python3_random2 "1")
     ELSE()
         SET (found_python3_random2)
         MESSAGE (WARNING "Could not find the python3's random2 module - please install it.")
     ENDIF ()
-    EXECUTE_PROCESS(COMMAND "python3" "-c" "import six; import sys; sys.exit(0);" RESULT_VARIABLE _six)
+    EXECUTE_PROCESS(COMMAND "python3" "-c" "import sys; sys.exit(0);" RESULT_VARIABLE _six)
     IF (NOT ("${_six}" STREQUAL "0"))
         MESSAGE (FATAL_ERROR "Could not find the python3's six module - please install it.")
     ENDIF ()
--- a/board_gen/find-freecell-deal-index.py
+++ b/board_gen/find-freecell-deal-index.py
@@ -9,7 +9,7 @@
 
 import sys
 from make_pysol_freecell_board import find_index_main, LCRandom31
-from six.moves import range
+import range
 
 
 def find_ret(ints):
--- a/board_gen/make_pysol_freecell_board.py
+++ b/board_gen/make_pysol_freecell_board.py
@@ -8,7 +8,6 @@
 #
 # This code is inspired by PySol by Markus F.X.J. Oberhumer and others.
 # See: http://pysolfc.sourceforge.net/ .
-import random2
 import sys
 from fc_solve_find_index_s2ints import createCards, Card, CardRenderer, \
         find_index__board_string_to_ints, ms_rearrange
@@ -90,11 +89,11 @@
 
 
 # * Mersenne Twister random number generator
-class MTRandom(RandomBase, random2.Random):
+class MTRandom(RandomBase, random.Random):
     MAX_SEED = 100000000000000000000  # 20 digits
 
     def setSeed(self, seed):
-        random2.Random.__init__(self, seed)
+        random.Random.__init__(self, seed)
         self.initial_state = self.getstate()