diff --git a/src/cc/cclib.cpp b/src/cc/cclib.cpp
index f7df312e7..a83107234 100644
--- a/src/cc/cclib.cpp
+++ b/src/cc/cclib.cpp
@@ -614,7 +614,6 @@ extern "C" void secp256k1_pubkey_save(secp256k1_pubkey* pubkey, secp256k1_ge* ge
 extern "C" int secp256k1_nonce_function_bipschnorr(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *algo16, void *data, unsigned int counter);
 extern "C" int secp256k1_pubkey_load(const secp256k1_context* ctx, secp256k1_ge* ge, const secp256k1_pubkey* pubkey);
 extern "C" void secp256k1_scalar_chacha20(secp256k1_scalar *r1, secp256k1_scalar *r2, const unsigned char *seed, uint64_t idx);
-extern "C" int secp256k1_ecmult_multi_var(const secp256k1_ecmult_context *ctx, secp256k1_scratch *scratch, secp256k1_gej *r, const secp256k1_scalar *inp_g_sc, secp256k1_ecmult_multi_callback cb, void *cbdata, size_t n);
 
 #define ARG_CHECK(cond) do { \
 if (EXPECT(!(cond), 0)) { \
@@ -624,6 +623,9 @@ return 0; \
 } while(0)*/
 
 //#include "../secp256k1/src/secp256k1.c"
+extern "C" int secp256k1_ecmult_multi_var(const secp256k1_ecmult_context *ctx, secp256k1_scratch *scratch, secp256k1_gej *r, const secp256k1_scalar *inp_g_sc, secp256k1_ecmult_multi_callback cb, void *cbdata, size_t n);
+extern "C" int secp256k1_schnorrsig_verify(const secp256k1_context* ctx, const secp256k1_schnorrsig *sig, const unsigned char *msg32, const secp256k1_pubkey *pk);
+extern "C" int secp256k1_schnorrsig_parse(const secp256k1_context* ctx, secp256k1_schnorrsig* sig, const unsigned char *in64);
 
 #include "musig.cpp"
 #endif
diff --git a/src/cc/musig.cpp b/src/cc/musig.cpp
index 5d56635aa..520234da1 100755
--- a/src/cc/musig.cpp
+++ b/src/cc/musig.cpp
@@ -15,9 +15,11 @@
 
 
 #include "../secp256k1/include/secp256k1.h"
-#include "../secp256k1/include/secp256k1_schnorrsig.h"
+//#include "../secp256k1/include/secp256k1_schnorrsig.h"
 #include "../secp256k1/include/secp256k1_musig.h"
 
+typedef struct { unsigned char data[64]; } secp256k1_schnorrsig;
+
 #define MUSIG_PREVN 0   // for now, just use vout0 for the musig output
 #define MUSIG_TXFEE 10000