diff --git a/configure.ac b/configure.ac
index 3ba4daf..e6bcc41 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,8 +36,6 @@ AC_ARG_ENABLE(x11,
   [  --enable-x11            X11 support (autodetected)])
 AC_ARG_ENABLE(gl,
   [  --enable-gl             OpenGL support (autodetected)])
-AC_ARG_ENABLE(null,
-  [  --enable-null           Null driver support (autodetected)])
 
 dnl example programs features
 AC_ARG_ENABLE(imlib2,
@@ -139,12 +137,6 @@ if test "${enable_gl}" != "no"; then
   fi
 fi
 
-if test "${enable_null}" != "no"; then
-  ac_cv_my_have_null="yes"
-  AC_DEFINE(USE_NULL, 1, Define to activate the Null backend driver)
-  CACA_DRIVERS="${CACA_DRIVERS} null"
-fi
-
 if test "${enable_ncurses}" != "no"; then
   ac_cv_my_have_ncurses="no"
   AC_CHECK_HEADERS(curses.h ncurses.h,