diff --git a/src/script/interpreter.h b/src/script/interpreter.h
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -8,6 +8,7 @@
 
 #include "primitives/transaction.h"
 #include "script_error.h"
+#include "sighashtype.h"
 
 #include <cstdint>
 #include <string>
@@ -18,15 +19,6 @@
 class CTransaction;
 class uint256;
 
-/** Signature hash types/flags */
-enum {
-    SIGHASH_ALL = 1,
-    SIGHASH_NONE = 2,
-    SIGHASH_SINGLE = 3,
-    SIGHASH_FORKID = 0x40,
-    SIGHASH_ANYONECANPAY = 0x80,
-};
-
 /** Script verification flags */
 enum {
     SCRIPT_VERIFY_NONE = 0,