diff --git a/src/cc/CCPayments.h b/src/cc/CCPayments.h
index 30c61bb0c..ac5f22c47 100644
--- a/src/cc/CCPayments.h
+++ b/src/cc/CCPayments.h
@@ -18,7 +18,7 @@
 #define CC_PAYMENTS_H
 
 #include "CCinclude.h"
-#include "mini-gmp.h"
+#include <gmp.h>
 #include <key_io.h>
 
 #define PAYMENTS_TXFEE 10000
diff --git a/src/cc/CCrewards.h b/src/cc/CCrewards.h
index f9b8672a0..d9f9edf6e 100644
--- a/src/cc/CCrewards.h
+++ b/src/cc/CCrewards.h
@@ -18,7 +18,7 @@
 #define CC_REWARDS_H
 
 #include "CCinclude.h"
-#include "mini-gmp.h"
+#include <gmp.h>
 
 #define EVAL_REWARDS 0xe5
 #define REWARDSCC_MAXAPR (COIN * 25)
diff --git a/src/cc/pegs.cpp b/src/cc/pegs.cpp
index 88ef1eb00..6ef33a884 100644
--- a/src/cc/pegs.cpp
+++ b/src/cc/pegs.cpp
@@ -16,7 +16,7 @@
 #include "CCPegs.h"
 #include "../importcoin.h"
 #include "key_io.h"
-#include "mini-gmp.h"
+#include <gmp.h>
 
 
 /*
diff --git a/src/cc/prices.cpp b/src/cc/prices.cpp
index 4b5aebd65..0fcc2e512 100644
--- a/src/cc/prices.cpp
+++ b/src/cc/prices.cpp
@@ -73,7 +73,7 @@ GetKomodoEarlytxidScriptPub is on line #2080 of komodo_bitcoind.h
 #include "CCPrices.h"
 
 #include <cstdlib>
-#include "mini-gmp.h"
+#include <gmp.h>
 
 #define IS_CHARINSTR(c, str) (std::string(str).find((char)(c)) != std::string::npos)