diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index 9f82491..0cb3852 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -912,7 +912,6 @@ noinst_HEADERS += sha/sha3_internal.h
 
 # sm3
 libcrypto_la_SOURCES += sm3/sm3.c
-noinst_HEADERS += sm3/sm3_local.h
 
 # sm4
 libcrypto_la_SOURCES += sm4/sm4.c