diff --git a/gdb/config/powerpc/aix432.mh b/gdb/config/powerpc/aix432.mh
deleted file mode 100644
index cfe9efeb56..0000000000
--- a/gdb/config/powerpc/aix432.mh
+++ /dev/null
@@ -1,12 +0,0 @@
-# Host: IBM PowerPC running AIX 4.3.2+
-
-NAT_FILE= nm-aix.h
-
-# aix-thread.o is not listed in NATDEPFILES as it is pulled in by configure.
-NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o \
-	     rs6000-nat.o xcoffread.o xcoffsolib.o
-
-# When compiled with cc, for debugging, this argument should be passed.
-# We have no idea who our current compiler is though, so we skip it.
-# MH_CFLAGS = -bnodelcsect
-
diff --git a/gdb/configure.host b/gdb/configure.host
index 3ecac86f50..f730891162 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -106,10 +106,7 @@ mips*-*-netbsd* | mips*-*-knetbsd*-gnu)
 
 ns32k-*-netbsd*)	gdb_host=nbsdaout ;;
 
-powerpc-*-aix3*)	gdb_host=aix ;;
-powerpc-*-aix4.[0-2]*)	gdb_host=aix ;;
-powerpc-*-aix4.3.[0-1]*)	gdb_host=aix ;;
-powerpc-*-aix*)		gdb_host=aix432 ;;
+powerpc-*-aix*)		gdb_host=aix ;;
 powerpc-*-linux*)	gdb_host=linux ;;
 powerpc-*-netbsd* | powerpc-*-knetbsd*-gnu)
 			gdb_host=nbsd ;;