diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -51,6 +51,9 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20230828
+MOVED_LIBS+=usr/lib/librt.so.1
+
 # 20230826:
 OLD_FILES+=usr/share/man/man9/knlist_remove_inevent.9.gz
 
diff --git a/lib/librt/Makefile b/lib/librt/Makefile
--- a/lib/librt/Makefile
+++ b/lib/librt/Makefile
@@ -3,6 +3,7 @@
 
 PACKAGE=clibs
 LIB=rt
+SHLIBDIR=/lib
 SHLIB_MAJOR= 1
 CFLAGS+=-I${SRCTOP}/lib/libc/include -I${.CURDIR}
 .ifndef NO_THREAD_STACK_UNWIND