diff --git a/Core/BaseCartridge.cpp b/Core/BaseCartridge.cpp
index 95a07df..704b03e 100644
--- a/Core/BaseCartridge.cpp
+++ b/Core/BaseCartridge.cpp
@@ -532,7 +532,6 @@ void BaseCartridge::InitCoprocessor()
 		_sgb = dynamic_cast<SuperGameboy*>(_coprocessor.get());
 		_needCoprocSync = true;
 	} else if (hle) {
-		printf("USE HLE DSP1\n");
 		_coprocessor.reset(NecDspHle::InitCoprocessor(_coprocessorType, _console));
 	}
 }
diff --git a/Core/NecDspHle.cpp b/Core/NecDspHle.cpp
index 543a342..8561db7 100644
--- a/Core/NecDspHle.cpp
+++ b/Core/NecDspHle.cpp
@@ -73,10 +73,8 @@ NecDspHle* NecDspHle::InitCoprocessor(CoprocessorType type, Console *console)
 
 void NecDspHle::Reset()
 {
-	if (_type == CoprocessorType::DSP1 || _type == CoprocessorType::DSP1B) {
-		//printf("[DSP] Reset\n");
+	if (_type == CoprocessorType::DSP1 || _type == CoprocessorType::DSP1B)
 		_dsp1.reset();
-	}
 }
 
 void NecDspHle::Run()
@@ -95,12 +93,10 @@ uint8_t NecDspHle::Read(uint32_t addr)
 {
 	if (_type == CoprocessorType::DSP1 || _type == CoprocessorType::DSP1B) {
 		uint8_t r;
-		if(addr & _registerMask) {
+		if(addr & _registerMask)
 			r = _dsp1.getSr();
-		} else {
+		else
 			r = _dsp1.getDr();
-		}
-		//printf("[DSP] Read (%x) => %d\n", addr, r);
 		return r;
 	}
 	return 0;
@@ -109,18 +105,15 @@ uint8_t NecDspHle::Read(uint32_t addr)
 void NecDspHle::Write(uint32_t addr, uint8_t value)
 {
 	if (_type == CoprocessorType::DSP1 || _type == CoprocessorType::DSP1B) {
-		if(addr & _registerMask) {
+		if(addr & _registerMask)
 			return;
-		} else {
-			//printf("[DSP] Write (%x) <= %d\n", addr, value);
-			return _dsp1.setDr(value);
-		}
+		_dsp1.setDr(value);
 	}
 }
 
 uint8_t NecDspHle::Peek(uint32_t addr)
 {
-	//Avoid side effects for now
+	/* Avoid side effects for now */
 	return 0;
 }
 
diff --git a/SevenZip/7zAlloc.c b/SevenZip/7zAlloc.c
index 3e848c9..e82a9c5 100644
--- a/SevenZip/7zAlloc.c
+++ b/SevenZip/7zAlloc.c
@@ -5,43 +5,17 @@
 
 #include "7zAlloc.h"
 
-/* #define _SZ_ALLOC_DEBUG */
-/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
-
-#ifdef _SZ_ALLOC_DEBUG
-
-#ifdef _WIN32
-#include <windows.h>
-#endif
-
-#include <stdio.h>
-int g_allocCount = 0;
-int g_allocCountTemp = 0;
-
-#endif
-
 void *SzAlloc(void *p, size_t size)
 {
   UNUSED_VAR(p);
   if (size == 0)
     return 0;
-  #ifdef _SZ_ALLOC_DEBUG
-  fprintf(stderr, "\nAlloc %10u bytes; count = %10d", (unsigned)size, g_allocCount);
-  g_allocCount++;
-  #endif
   return malloc(size);
 }
 
 void SzFree(void *p, void *address)
 {
   UNUSED_VAR(p);
-  #ifdef _SZ_ALLOC_DEBUG
-  if (address != 0)
-  {
-    g_allocCount--;
-    fprintf(stderr, "\nFree; count = %10d", g_allocCount);
-  }
-  #endif
   free(address);
 }
 
@@ -50,29 +24,11 @@ void *SzAllocTemp(void *p, size_t size)
   UNUSED_VAR(p);
   if (size == 0)
     return 0;
-  #ifdef _SZ_ALLOC_DEBUG
-  fprintf(stderr, "\nAlloc_temp %10u bytes;  count = %10d", (unsigned)size, g_allocCountTemp);
-  g_allocCountTemp++;
-  #ifdef _WIN32
-  return HeapAlloc(GetProcessHeap(), 0, size);
-  #endif
-  #endif
   return malloc(size);
 }
 
 void SzFreeTemp(void *p, void *address)
 {
   UNUSED_VAR(p);
-  #ifdef _SZ_ALLOC_DEBUG
-  if (address != 0)
-  {
-    g_allocCountTemp--;
-    fprintf(stderr, "\nFree_temp; count = %10d", g_allocCountTemp);
-  }
-  #ifdef _WIN32
-  HeapFree(GetProcessHeap(), 0, address);
-  return;
-  #endif
-  #endif
   free(address);
 }
diff --git a/SevenZip/Lzma2Dec.c b/SevenZip/Lzma2Dec.c
index b84f88a..82f5b7c 100644
--- a/SevenZip/Lzma2Dec.c
+++ b/SevenZip/Lzma2Dec.c
@@ -1,14 +1,8 @@
 /* Lzma2Dec.c -- LZMA2 Decoder
 2015-11-09 : Igor Pavlov : Public domain */
 
-/* #define SHOW_DEBUG_INFO */
-
 #include "Precomp.h"
 
-#ifdef SHOW_DEBUG_INFO
-#include <stdio.h>
-#endif
-
 #include <string.h>
 
 #include "Lzma2Dec.h"
@@ -40,12 +34,6 @@
 #define LZMA2_LCLP_MAX 4
 #define LZMA2_DIC_SIZE_FROM_PROP(p) (((UInt32)2 | ((p) & 1)) << ((p) / 2 + 11))
 
-#ifdef SHOW_DEBUG_INFO
-#define PRF(x) x
-#else
-#define PRF(x)
-#endif
-
 typedef enum
 {
   LZMA2_STATE_CONTROL,
@@ -103,8 +91,6 @@ static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b)
   {
     case LZMA2_STATE_CONTROL:
       p->control = b;
-      PRF(printf("\n %4X ", (unsigned)p->decoder.dicPos));
-      PRF(printf(" %2X", (unsigned)b));
       if (p->control == 0)
         return LZMA2_STATE_FINISHED;
       if (LZMA2_IS_UNCOMPRESSED_STATE(p))
@@ -124,7 +110,6 @@ static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b)
     case LZMA2_STATE_UNPACK1:
       p->unpackSize |= (UInt32)b;
       p->unpackSize++;
-      PRF(printf(" %8u", (unsigned)p->unpackSize));
       return (LZMA2_IS_UNCOMPRESSED_STATE(p)) ? LZMA2_STATE_DATA : LZMA2_STATE_PACK0;
     
     case LZMA2_STATE_PACK0:
@@ -134,7 +119,6 @@ static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b)
     case LZMA2_STATE_PACK1:
       p->packSize |= (UInt32)b;
       p->packSize++;
-      PRF(printf(" %8u", (unsigned)p->packSize));
       return LZMA2_IS_THERE_PROP(LZMA2_GET_LZMA_MODE(p)) ? LZMA2_STATE_PROP:
         (p->needInitProp ? LZMA2_STATE_ERROR : LZMA2_STATE_DATA);
 
diff --git a/Utilities/snes_ntsc_impl.h b/Utilities/snes_ntsc_impl.h
index 1d7adc7..bca6776 100644
--- a/Utilities/snes_ntsc_impl.h
+++ b/Utilities/snes_ntsc_impl.h
@@ -159,15 +159,6 @@ static void init_filters( init_t* impl, snes_ntsc_setup_t const* setup )
 		}
 	}
 	
-	/*
-	printf( "luma:\n" );
-	for ( i = kernel_size; i < kernel_size * 2; i++ )
-		printf( "%f\n", kernels [i] );
-	printf( "chroma:\n" );
-	for ( i = 0; i < kernel_size; i++ )
-		printf( "%f\n", kernels [i] );
-	*/
-	
 	/* generate linear rescale kernels */
 	#if rescale_out > 1
 	{