diff --git a/crypto/pool/pool.c b/crypto/pool/pool.c
index ebe1b24d..ca058fc2 100644
--- a/crypto/pool/pool.c
+++ b/crypto/pool/pool.c
@@ -191,7 +191,7 @@ const uint8_t *CRYPTO_BUFFER_data(const CRYPTO_BUFFER *buf) {
   return buf->data;
 }
 
-const size_t CRYPTO_BUFFER_len(const CRYPTO_BUFFER *buf) {
+size_t CRYPTO_BUFFER_len(const CRYPTO_BUFFER *buf) {
   return buf->len;
 }
 
diff --git a/include/openssl/pool.h b/include/openssl/pool.h
index 0f6a3c89..a6dee9fd 100644
--- a/include/openssl/pool.h
+++ b/include/openssl/pool.h
@@ -62,7 +62,7 @@ OPENSSL_EXPORT const uint8_t *CRYPTO_BUFFER_data(const CRYPTO_BUFFER *buf);
 
 /* CRYPTO_BUFFER_len returns the length, in bytes, of the data contained in
  * |buf|. */
-OPENSSL_EXPORT const size_t CRYPTO_BUFFER_len(const CRYPTO_BUFFER *buf);
+OPENSSL_EXPORT size_t CRYPTO_BUFFER_len(const CRYPTO_BUFFER *buf);
 
 /* CRYPTO_BUFFER_init_CBS initialises |out| to point at the data from |buf|. */
 OPENSSL_EXPORT void CRYPTO_BUFFER_init_CBS(const CRYPTO_BUFFER *buf, CBS *out);