Index: sys/conf/kern.pre.mk
===================================================================
--- sys/conf/kern.pre.mk
+++ sys/conf/kern.pre.mk
@@ -51,16 +51,9 @@
 SIZE?=		size
 
 .if defined(DEBUG)
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpcspe"
-# Work around clang 11 miscompile on 32 bit powerpc.
-_MINUS_O=	-O2
-.else
-_MINUS_O=	-O
-.endif
 CTFFLAGS+=	-g
-.else
-_MINUS_O=	-O2
 .endif
+_MINUS_O=	-O2
 .if ${MACHINE_CPUARCH} == "amd64"
 .if ${COMPILER_TYPE} == "clang"
 COPTFLAGS?=-O2 -pipe