diff --git a/configure.ac b/configure.ac
index be5406f..5a0485b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,14 +8,6 @@ AM_INIT_AUTOMAKE([foreign])
 
 AC_SUBST(E_RPM_REVISION, [rpm_revision])
 
-dnl reasonable guesses for where stuff is installed
-if test "x$prefix" = "xNONE"; then
-  prefix=$ac_default_prefix
-fi
-if test "x$exec_prefix" = "xNONE"; then
-  exec_prefix=$prefix
-fi
-
 AC_PROG_INSTALL
 
 THEMES="BlueSteel BrushedMetal-Tigert Ganymede ShinyMetal"