diff --git a/dlls/dmime/dmime_private.h b/dlls/dmime/dmime_private.h
index 983db7f62b0..576ebc1ae84 100644
--- a/dlls/dmime/dmime_private.h
+++ b/dlls/dmime/dmime_private.h
@@ -102,16 +102,6 @@ typedef struct _DMUS_PRIVATE_TEMPO_PLAY_STATE {
   DWORD dummy;
 } DMUS_PRIVATE_TEMPO_PLAY_STATE, *LPDMUS_PRIVATE_TEMPO_PLAY_STATE;
 
-/* some sort of aux. performance channel: as far as i can understand, these are 
-   used to represent a particular midi channel in particular group at particular
-   group; so all we need to do is to fill it with parent port, group and midi 
-   channel ? */
-typedef struct DMUSIC_PRIVATE_PCHANNEL_ {
-	DWORD channel; /* map to this channel... */
-	DWORD group; /* ... in this group ... */
-	IDirectMusicPort *port; /* ... at this port */
-} DMUSIC_PRIVATE_PCHANNEL, *LPDMUSIC_PRIVATE_PCHANNEL;
-
 /**********************************************************************
  * Dll lifetime tracking declaration for dmime.dll
  */
diff --git a/dlls/dmime/performance.c b/dlls/dmime/performance.c
index 3dd54a6cb60..c492ebdcb1f 100644
--- a/dlls/dmime/performance.c
+++ b/dlls/dmime/performance.c
@@ -27,7 +27,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(dmime);
 
 struct pchannel_block {
     DWORD block_num;   /* Block 0 is PChannels 0-15, Block 1 is PChannels 16-31, etc */
-    DMUSIC_PRIVATE_PCHANNEL pchannel[16];
+    struct {
+       DWORD channel;  /* MIDI channel */
+       DWORD group;    /* MIDI group */
+       IDirectMusicPort *port;
+    } pchannel[16];
     struct wine_rb_entry entry;
 };