diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a7f10a1b79f7..62752c3bfabf 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1,10 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 source "arch/powerpc/platforms/Kconfig.cputype"
 
-config PPC32
-	bool
-	default y if !PPC64
-
 config 32BIT
 	bool
 	default y if PPC32
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index e90bbb7f74b6..1c4f24a81580 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -1,4 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
+config PPC32
+	bool
+	default y if !PPC64
+
 config PPC64
 	bool "64-bit kernel"
 	select ZLIB_DEFLATE