diff --git a/src/engine/platform/arcade.h b/src/engine/platform/arcade.h
index e2e84b4d5..77924ab6f 100644
--- a/src/engine/platform/arcade.h
+++ b/src/engine/platform/arcade.h
@@ -60,10 +60,7 @@ class DivPlatformArcade: public DivPlatformOPM {
 
     void acquire_nuked(short* bufL, short* bufR, size_t start, size_t len);
     void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
-  
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-  
+
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/fmsharedbase.h b/src/engine/platform/fmsharedbase.h
index 1e1722f95..764139525 100644
--- a/src/engine/platform/fmsharedbase.h
+++ b/src/engine/platform/fmsharedbase.h
@@ -123,6 +123,9 @@ class DivPlatformFMBase: public DivDispatch {
       }
     }
 
+    friend void putDispatchChip(void*,int);
+    friend void putDispatchChan(void*,int,int);
+  
     DivPlatformFMBase():
     DivDispatch(),
     lastBusy(0),
diff --git a/src/engine/platform/tx81z.h b/src/engine/platform/tx81z.h
index 6c7b495cb..943cc023f 100644
--- a/src/engine/platform/tx81z.h
+++ b/src/engine/platform/tx81z.h
@@ -56,10 +56,7 @@ class DivPlatformTX81Z: public DivPlatformOPM {
   
     int octave(int freq);
     int toFreq(int freq);
-  
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-  
+
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/ym2203.h b/src/engine/platform/ym2203.h
index ca129795a..4125e3a48 100644
--- a/src/engine/platform/ym2203.h
+++ b/src/engine/platform/ym2203.h
@@ -50,10 +50,7 @@ class DivPlatformYM2203: public DivPlatformOPN {
 
     bool extMode, noExtMacros;
     unsigned char prescale;
-  
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-  
+
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/ym2203ext.h b/src/engine/platform/ym2203ext.h
index c7a729a0c..63ba2c35d 100644
--- a/src/engine/platform/ym2203ext.h
+++ b/src/engine/platform/ym2203ext.h
@@ -24,8 +24,6 @@
 class DivPlatformYM2203Ext: public DivPlatformYM2203 {
   OPNOpChannel opChan[4];
   bool isOpMuted[4];
-  friend void putDispatchChip(void*,int);
-  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2608.h b/src/engine/platform/ym2608.h
index 48317f248..6e285c014 100644
--- a/src/engine/platform/ym2608.h
+++ b/src/engine/platform/ym2608.h
@@ -65,9 +65,7 @@ class DivPlatformYM2608: public DivPlatformOPN {
   
     double NOTE_OPNB(int ch, int note);
     double NOTE_ADPCMB(int note);
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-  
+
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/ym2608ext.h b/src/engine/platform/ym2608ext.h
index 45cbb2924..58840528e 100644
--- a/src/engine/platform/ym2608ext.h
+++ b/src/engine/platform/ym2608ext.h
@@ -24,8 +24,6 @@
 class DivPlatformYM2608Ext: public DivPlatformYM2608 {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
-  friend void putDispatchChip(void*,int);
-  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2610.h b/src/engine/platform/ym2610.h
index 1572b4a20..1b6edb9fb 100644
--- a/src/engine/platform/ym2610.h
+++ b/src/engine/platform/ym2610.h
@@ -35,9 +35,6 @@ class DivPlatformYM2610: public DivPlatformYM2610Base<14> {
       1, 2, 4, 5
     };
 
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/ym2610b.h b/src/engine/platform/ym2610b.h
index 1fba7061a..2db90d9a8 100644
--- a/src/engine/platform/ym2610b.h
+++ b/src/engine/platform/ym2610b.h
@@ -31,9 +31,6 @@ class DivPlatformYM2610B: public DivPlatformYM2610Base<16> {
       0, 1, 2, 4, 5, 6
     };
 
-    friend void putDispatchChip(void*,int);
-    friend void putDispatchChan(void*,int,int);
-
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
diff --git a/src/engine/platform/ym2610bext.h b/src/engine/platform/ym2610bext.h
index 80910cde3..6c1f31a38 100644
--- a/src/engine/platform/ym2610bext.h
+++ b/src/engine/platform/ym2610bext.h
@@ -24,8 +24,6 @@
 class DivPlatformYM2610BExt: public DivPlatformYM2610B {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
-  friend void putDispatchChip(void*,int);
-  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2610ext.h b/src/engine/platform/ym2610ext.h
index 6e88d05c5..a1810746f 100644
--- a/src/engine/platform/ym2610ext.h
+++ b/src/engine/platform/ym2610ext.h
@@ -24,8 +24,6 @@
 class DivPlatformYM2610Ext: public DivPlatformYM2610 {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
-  friend void putDispatchChip(void*,int);
-  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);