diff --git a/third_party/boringssl/src/crypto/fipsmodule/md5/md5.c b/third_party/boringssl/src/crypto/fipsmodule/md5/md5.c
index 5820cac0258..eba34bce83d 100644
--- a/third_party/boringssl/src/crypto/fipsmodule/md5/md5.c
+++ b/third_party/boringssl/src/crypto/fipsmodule/md5/md5.c
@@ -83,14 +83,13 @@ int MD5_Init(MD5_CTX *md5) {
   return 1;
 }
 
-#if !defined(OPENSSL_NO_ASM) && \
-    (defined(OPENSSL_X86_64) || defined(OPENSSL_X86))
-#define MD5_ASM
+#if defined(MD5_ASM)
 #define md5_block_data_order md5_block_asm_data_order
+#else
+static void md5_block_data_order(uint32_t *state, const uint8_t *data,
+                                 size_t num);
 #endif
 
-void md5_block_data_order(uint32_t *state, const uint8_t *data, size_t num);
-
 void MD5_Transform(MD5_CTX *c, const uint8_t data[MD5_CBLOCK]) {
   md5_block_data_order(c->h, data, 1);
 }
@@ -150,11 +149,12 @@ int MD5_Final(uint8_t out[MD5_DIGEST_LENGTH], MD5_CTX *c) {
     (a) += (b);                            \
   } while (0)
 
-#ifndef md5_block_data_order
+#ifndef MD5_ASM
 #ifdef X
 #undef X
 #endif
-void md5_block_data_order(uint32_t *state, const uint8_t *data, size_t num) {
+static void md5_block_data_order(uint32_t *state, const uint8_t *data,
+                                 size_t num) {
   uint32_t A, B, C, D;
   uint32_t XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10, XX11, XX12,
       XX13, XX14, XX15;