diff --git a/src/fastmix.cpp b/src/fastmix.cpp
index eacaecc..86fdcd6 100644
--- a/src/fastmix.cpp
+++ b/src/fastmix.cpp
@@ -1485,13 +1485,12 @@ UINT CSoundFile::CreateStereoMix(int count)
 	{
 		const LPMIXINTERFACE *pMixFuncTable;
 		MODCHANNEL * const pChannel = &Chn[ChnMix[nChn]];
-		UINT nFlags, nMasterCh;
+		UINT nFlags;
 		LONG nSmpCount;
 		int nsamples;
 		int *pbuffer;
 
 		if (!pChannel->pCurrentSample) continue;
-		nMasterCh = (ChnMix[nChn] < m_nChannels) ? ChnMix[nChn]+1 : pChannel->nMasterChn;
 		pOfsR = &gnDryROfsVol;
 		pOfsL = &gnDryLOfsVol;
 		nFlags = 0;
diff --git a/src/load_669.cpp b/src/load_669.cpp
index f3aa0ee..4087fa2 100644
--- a/src/load_669.cpp
+++ b/src/load_669.cpp
@@ -48,14 +48,12 @@ DWORD lengthArrayToDWORD(const BYTE length[4]) {
 BOOL CSoundFile::Read669(const BYTE *lpStream, DWORD dwMemLength)
 //---------------------------------------------------------------
 {
-	BOOL b669Ext;
 	const FILEHEADER669 *pfh = (const FILEHEADER669 *)lpStream;
 	const SAMPLE669 *psmp = (const SAMPLE669 *)(lpStream + 0x1F1);
 	DWORD dwMemPos = 0;
 
 	if ((!lpStream) || (dwMemLength < sizeof(FILEHEADER669))) return FALSE;
 	if ((bswapLE16(pfh->sig) != 0x6669) && (bswapLE16(pfh->sig) != 0x4E4A)) return FALSE;
-	b669Ext = (bswapLE16(pfh->sig) == 0x4E4A) ? TRUE : FALSE;
 	if ((!pfh->samples) || (pfh->samples > 64) || (pfh->restartpos >= 128)
 	 || (!pfh->patterns) || (pfh->patterns > 128)) return FALSE;
 	DWORD dontfuckwithme = 0x1F1 + pfh->samples * sizeof(SAMPLE669) + pfh->patterns * 0x600;
diff --git a/src/load_it.cpp b/src/load_it.cpp
index 10b17af..bc57fb3 100644
--- a/src/load_it.cpp
+++ b/src/load_it.cpp
@@ -166,7 +166,7 @@ BOOL CSoundFile::ReadIT(const BYTE *lpStream, DWORD dwMemLength)
 	DWORD inspos[MAX_INSTRUMENTS];
 	DWORD smppos[MAX_SAMPLES];
 	DWORD patpos[MAX_PATTERNS];
-	BYTE chnmask[64], channels_used[64];
+	BYTE chnmask[64];
 	MODCOMMAND lastvalue[64];
 
 	pifh.id = bswapLE32(pifh.id);
@@ -515,7 +515,6 @@ BOOL CSoundFile::ReadIT(const BYTE *lpStream, DWORD dwMemLength)
 					if (note < 0x80) note++;
 					m[ch].note = note;
 					lastvalue[ch].note = note;
-					channels_used[ch] = TRUE;
 				}
 			}
 			if (chnmask[ch] & 2)
@@ -1214,7 +1213,6 @@ void ITUnpack8Bit(signed char *pSample, DWORD dwLen, LPBYTE lpMemFile, DWORD dwM
 {
 	signed char *pDst = pSample;
 	LPBYTE pSrc = lpMemFile;
-	DWORD wHdr = 0;
 	DWORD wCount = 0;
 	DWORD bitbuf = 0;
 	UINT bitnum = 0;
@@ -1225,7 +1223,6 @@ void ITUnpack8Bit(signed char *pSample, DWORD dwLen, LPBYTE lpMemFile, DWORD dwM
 		if (!wCount)
 		{
 			wCount = 0x8000;
-			wHdr = bswapLE16(*((LPWORD)pSrc));
 			pSrc += 2;
 			bLeft = 9;
 			bTemp = bTemp2 = 0;
@@ -1296,7 +1293,6 @@ void ITUnpack16Bit(signed char *pSample, DWORD dwLen, LPBYTE lpMemFile, DWORD dw
 {
 	signed short *pDst = (signed short *)pSample;
 	LPBYTE pSrc = lpMemFile;
-	DWORD wHdr = 0;
 	DWORD wCount = 0;
 	DWORD bitbuf = 0;
 	UINT bitnum = 0;
@@ -1308,7 +1304,6 @@ void ITUnpack16Bit(signed char *pSample, DWORD dwLen, LPBYTE lpMemFile, DWORD dw
 		if (!wCount)
 		{
 			wCount = 0x4000;
-			wHdr = bswapLE16(*((LPWORD)pSrc));
 			pSrc += 2;
 			bLeft = 17;
 			wTemp = wTemp2 = 0;
diff --git a/src/load_okt.cpp b/src/load_okt.cpp
index 7968f0b..50b905f 100644
--- a/src/load_okt.cpp
+++ b/src/load_okt.cpp
@@ -43,7 +43,7 @@ BOOL CSoundFile::ReadOKT(const BYTE *lpStream, DWORD dwMemLength)
 {
 	const OKTFILEHEADER *pfh = (OKTFILEHEADER *)lpStream;
 	DWORD dwMemPos = sizeof(OKTFILEHEADER);
-	UINT nsamples = 0, npatterns = 0, norders = 0;
+	UINT nsamples = 0, norders = 0;
 
 	if ((!lpStream) || (dwMemLength < 1024)) return FALSE;
 	if ((pfh->okta != 0x41544B4F) || (pfh->song != 0x474E4F53)
@@ -88,7 +88,6 @@ BOOL CSoundFile::ReadOKT(const BYTE *lpStream, DWORD dwMemLength)
 	if (dwMemPos >= dwMemLength) return TRUE;
 	if (*((DWORD *)(lpStream + dwMemPos)) == 0x4E454C53)
 	{
-		npatterns = lpStream[dwMemPos+9];
 		dwMemPos += bswapBE32(*((DWORD *)(lpStream + dwMemPos + 4))) + 8;
 	}
 	// PLEN
