diff --git a/share/mk/src.sys.obj.mk b/share/mk/src.sys.obj.mk
index 431629b2b49..1707d7831f1 100644
--- a/share/mk/src.sys.obj.mk
+++ b/share/mk/src.sys.obj.mk
@@ -31,8 +31,10 @@ OBJROOT:=	${OBJROOT:H:tA}/${OBJROOT:T}
 .export OBJROOT SRCTOP
 .endif
 
+.if 0
 .if defined(MAKEOBJDIR)
 .if ${MAKEOBJDIR:M/*} == ""
 .error Cannot use MAKEOBJDIR=${MAKEOBJDIR}${.newline}Unset MAKEOBJDIR to get default:  MAKEOBJDIR='${_default_makeobjdir}'
 .endif
 .endif
+.endif