diff --git a/setup.cfg b/setup.cfg
index 0444d87d..d0239e45 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,13 +16,7 @@
 #define=YAML_DECLARE_STATIC
 
 # The following options are used to build PyYAML Windows installer
-# for Python 2.3 on my PC:
-#include_dirs=../../../libyaml/tags/0.1.4/include
-#library_dirs=../../../libyaml/tags/0.1.4/win32/vc6/output/release/lib
-#define=YAML_DECLARE_STATIC
-
-# The following options are used to build PyYAML Windows installer
-# for Python 2.4 and Python 2.5 on my PC:
+# for Python 2.5 on my PC:
 #include_dirs=../../../libyaml/tags/0.1.4/include
 #library_dirs=../../../libyaml/tags/0.1.4/win32/vs2003/output/release/lib
 #define=YAML_DECLARE_STATIC
diff --git a/setup.py b/setup.py
index 1bda151a..9e856bf3 100644
--- a/setup.py
+++ b/setup.py
@@ -27,8 +27,6 @@
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 2",
-    "Programming Language :: Python :: 2.3",
-    "Programming Language :: Python :: 2.4",
     "Programming Language :: Python :: 2.5",
     "Programming Language :: Python :: 2.6",
     "Programming Language :: Python :: 2.7",