diff --git a/src/dos/dos_classes.cpp b/src/dos/dos_classes.cpp
index 6025b28b..386688ff 100644
--- a/src/dos/dos_classes.cpp
+++ b/src/dos/dos_classes.cpp
@@ -349,15 +349,3 @@ void DOS_FCB::GetName(char * fillname) {
 	fillname[14]=0;
 }
 
-class DOS_MCB : public MemStruct{
-public:
-	DOS_MCB(Bit16u seg) { SetPt(seg); }
-private:
-	struct sMCB {
-		Bit8u type;
-		Bit16u psp_segment;
-		Bit16u size;	
-		Bit8u unused[3];
-		Bit8u filename[8];
-	} GCC_ATTRIBUTE(packed);
-};