--- a/src/in_ncsf/SSEQPlayer/common.h
+++ b/src/in_ncsf/SSEQPlayer/common.h
@@ -127,6 +127,11 @@
 {
 	std::string arrHeader = std::string(&arr[0], &arr[N]);
 	return arrHeader == header;
+}
+
+inline std::int32_t muldiv7(std::int32_t val, std::uint8_t mul)
+{
+	return mul == 127 ? val : ((val * mul) >> 7);
 }
 
 /*

--- a/src/in_ncsf/XSFConfig_NCSF.cpp
+++ b/src/in_ncsf/XSFConfig_NCSF.cpp
@@ -231,11 +231,6 @@
 	}
 }
 
-static inline std::int32_t muldiv7(std::int32_t val, std::uint8_t mul)
-{
-	return mul == 127 ? val : ((val * mul) >> 7);
-}
-
 void XSFConfig_NCSF::RefreshSoundView()
 {
 	auto player = this->soundViewData->player;

--- a/src/in_ncsf/XSFPlayer_NCSF.cpp
+++ b/src/in_ncsf/XSFPlayer_NCSF.cpp
@@ -156,11 +156,6 @@
 	return XSFPlayer::Load();
 }
 
-static inline std::int32_t muldiv7(std::int32_t val, std::uint8_t mul)
-{
-	return mul == 127 ? val : ((val * mul) >> 7);
-}
-
 void XSFPlayer_NCSF::GenerateSamples(std::vector<std::uint8_t> &buf, unsigned offset, unsigned samples)
 {
 	unsigned long mute = this->mutes.to_ulong();