diff --git a/configure b/configure
index a541aadebc..fd7e3a5e81 100755
--- a/configure
+++ b/configure
@@ -350,7 +350,6 @@ cocoa="no"
 softmmu="yes"
 linux_user="no"
 bsd_user="no"
-aix="no"
 blobs="yes"
 pkgversion=""
 pie=""
@@ -554,8 +553,6 @@ elif check_define __NetBSD__; then
   targetos='NetBSD'
 elif check_define __APPLE__; then
   targetos='Darwin'
-elif check_define _AIX; then
-  targetos='AIX'
 else
   # This is a fatal error, but don't report it yet, because we
   # might be going to just print the --help text, or it might
@@ -764,10 +761,6 @@ SunOS)
   LIBS="$solarisnetlibs $LIBS"
   libs_qga="$solarisnetlibs $libs_qga"
 ;;
-AIX)
-  aix="yes"
-  make="${MAKE-gmake}"
-;;
 Haiku)
   haiku="yes"
   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
@@ -4211,7 +4204,7 @@ elif compile_prog "" "$pthread_lib -lrt" ; then
 fi
 
 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
-        "$aix" != "yes" -a "$haiku" != "yes" ; then
+        "$haiku" != "yes" ; then
     libs_softmmu="-lutil $libs_softmmu"
 fi
 
@@ -5520,10 +5513,6 @@ if test "$darwin" = "yes" ; then
   echo "CONFIG_DARWIN=y" >> $config_host_mak
 fi
 
-if test "$aix" = "yes" ; then
-  echo "CONFIG_AIX=y" >> $config_host_mak
-fi
-
 if test "$solaris" = "yes" ; then
   echo "CONFIG_SOLARIS=y" >> $config_host_mak
 fi
diff --git a/util/cacheinfo.c b/util/cacheinfo.c
index 593940f27b..db5172d07c 100644
--- a/util/cacheinfo.c
+++ b/util/cacheinfo.c
@@ -15,16 +15,7 @@ int qemu_dcache_linesize = 0;
  * Operating system specific detection mechanisms.
  */
 
-#if defined(_AIX)
-# include <sys/systemcfg.h>
-
-static void sys_cache_info(int *isize, int *dsize)
-{
-    *isize = _system_configuration.icache_line;
-    *dsize = _system_configuration.dcache_line;
-}
-
-#elif defined(_WIN32)
+#if defined(_WIN32)
 
 static void sys_cache_info(int *isize, int *dsize)
 {