diff --git a/src/Makefile.am b/src/Makefile.am
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -412,6 +412,7 @@
   script/script_error.cpp \
   script/script_error.h \
   script/script_flags.h \
+  script/script_metrics.h \
   script/sigencoding.cpp \
   script/sigencoding.h \
   serialize.h \
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -10,6 +10,7 @@
 #include <primitives/transaction.h>
 #include <script/script_error.h>
 #include <script/script_flags.h>
+#include <script/script_metrics.h>
 #include <script/sighashtype.h>
 
 #include <cstdint>
@@ -82,14 +83,6 @@
 using MutableTransactionSignatureChecker =
     GenericTransactionSignatureChecker<CMutableTransaction>;
 
-/**
- * Struct for holding cumulative results from executing a script or a sequence
- * of scripts.
- */
-struct ScriptExecutionMetrics {
-    int nSigChecks = 0;
-};
-
 bool EvalScript(std::vector<std::vector<uint8_t>> &stack, const CScript &script,
                 uint32_t flags, const BaseSignatureChecker &checker,
                 ScriptExecutionMetrics &metrics, ScriptError *error = nullptr);
diff --git a/src/script/script_metrics.h b/src/script/script_metrics.h
new file mode 100644
--- /dev/null
+++ b/src/script/script_metrics.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2020 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_SCRIPT_SCRIPT_METRICS_H
+#define BITCOIN_SCRIPT_SCRIPT_METRICS_H
+
+/**
+ * Struct for holding cumulative results from executing a script or a sequence
+ * of scripts.
+ */
+struct ScriptExecutionMetrics {
+    int nSigChecks = 0;
+};
+
+#endif // BITCOIN_SCRIPT_SCRIPT_METRICS_H