diff --git a/Makefile b/Makefile
index 15c81d0331..08e07367c5 100644
--- a/Makefile
+++ b/Makefile
@@ -377,6 +377,7 @@ FWLIB21_SRCS = \
 
 BDBLIB_SRCS = \
 	firmware/bdb/bdb.c \
+	firmware/bdb/ecdsa.c \
 	firmware/bdb/misc.c \
 	firmware/bdb/rsa.c \
 	firmware/bdb/secrets.c \
diff --git a/firmware/bdb/bdb.h b/firmware/bdb/bdb.h
index bf421afb92..ef10a19d69 100644
--- a/firmware/bdb/bdb.h
+++ b/firmware/bdb/bdb.h
@@ -163,7 +163,6 @@ const struct bdb_sig *bdb_get_data_sig(const void *buf);
  * @param size		Size of data in bytes
  * @return 0 if success, non-zero error code if error.
  */
-__attribute__((weak))
 int bdb_sha256(void *digest, const void *buf, size_t size);
 
 /**
@@ -174,7 +173,6 @@ int bdb_sha256(void *digest, const void *buf, size_t size);
  * @param digest	Digest of signed data (BDB_SHA256_DIGEST bytes)
  * @return 0 if success, non-zero error code if error.
  */
-__attribute__((weak))
 int bdb_rsa4096_verify(const uint8_t *key_data,
 		       const uint8_t *sig,
 		       const uint8_t *digest);
@@ -187,7 +185,6 @@ int bdb_rsa4096_verify(const uint8_t *key_data,
  * @param digest	Digest of signed data (BDB_SHA256_DIGEST bytes)
  * @return 0 if success, non-zero error code if error.
  */
-__attribute__((weak))
 int bdb_rsa3072b_verify(const uint8_t *key_data,
 			const uint8_t *sig,
 			const uint8_t *digest);
@@ -200,7 +197,6 @@ int bdb_rsa3072b_verify(const uint8_t *key_data,
  * @param digest	Digest of signed data (BDB_SHA256_DIGEST bytes)
  * @return 0 if success, non-zero error code if error.
  */
-__attribute__((weak))
 int bdb_ecdsa521_verify(const uint8_t *key_data,
 			const uint8_t *sig,
 			const uint8_t *digest);