diff --git a/configure.in b/configure.in
index 516097a..8d81164 100644
--- a/configure.in
+++ b/configure.in
@@ -123,14 +123,9 @@
         	    AC_DEFINE([KERNEL_2_4], 1, [Define to 1 if you're using Linux 2.4.x])
         	    ;;
 
-             2.2.*) 
-        	    AC_MSG_RESULT([2.2 family (${kernel})])
-        	    AC_DEFINE([KERNEL_2_2], 1, [Define to 1 if you're using Linux 2.2.x])
-        	    ;;
-
              *) 
         	    AC_MSG_RESULT([unsupported (${kernel})])
-        	    AC_MSG_ERROR([Valgrind works on kernels 2.2, 2.4, 2.6])
+        	    AC_MSG_ERROR([Valgrind works on kernels 2.4, 2.6])
         	    ;;
         esac