diff --git a/lib/libc/Makefile b/lib/libc/Makefile
--- a/lib/libc/Makefile
+++ b/lib/libc/Makefile
@@ -147,7 +147,6 @@
 
 VERSION_DEF=${LIBC_SRCTOP}/Versions.def
 SYMBOL_MAPS=${SYM_MAPS}
-CFLAGS+= -DSYMBOL_VERSIONING
 
 # If there are no machine dependent sources, append all the
 # machine-independent sources:
diff --git a/lib/liblzma/Makefile b/lib/liblzma/Makefile
--- a/lib/liblzma/Makefile
+++ b/lib/liblzma/Makefile
@@ -156,7 +156,6 @@
 
 VERSION_DEF=	${.CURDIR}/Versions.def
 SYMBOL_MAPS=	${.CURDIR}/Symbol.map
-CFLAGS+=	-DSYMBOL_VERSIONING
 
 CLEANFILES+=	liblzma.pc
 
diff --git a/lib/libz/Makefile b/lib/libz/Makefile
--- a/lib/libz/Makefile
+++ b/lib/libz/Makefile
@@ -51,7 +51,6 @@
 
 VERSION_DEF=	${.CURDIR}/Versions.def
 SYMBOL_MAPS=	${.CURDIR}/Symbol.map
-CFLAGS+=	-DSYMBOL_VERSIONING
 
 INCS=		zconf.h zlib.h