diff --git a/java/openjdk23/Makefile b/java/openjdk23/Makefile
--- a/java/openjdk23/Makefile
+++ b/java/openjdk23/Makefile
@@ -43,8 +43,7 @@
 
 NO_CCACHE=	yes
 
-_MAKE_JOBS=	#
-USE_LOCALE="C"
+MAKE_JOBS_UNSAFE=	yes
 MAKE_ENV=	CLASSPATH="" \
 		JAVA_HOME="" \
 		LD_LIBRARY_PATH="" \