diff --git a/include/hw/isa/pc87312.h b/include/hw/isa/pc87312.h
index befc8bdc62..bf74470d40 100644
--- a/include/hw/isa/pc87312.h
+++ b/include/hw/isa/pc87312.h
@@ -47,13 +47,10 @@ typedef struct PC87312State {
 
     struct {
         ISADevice *dev;
-        BlockDriverState *drive[2];
-        uint32_t base;
     } fdc;
 
     struct {
         ISADevice *dev;
-        uint32_t base;
     } ide;
 
     MemoryRegion io;