diff --git a/include/hw/char/riscv_htif.h b/include/hw/char/riscv_htif.h
index f888ac1b30..3eccc1914f 100644
--- a/include/hw/char/riscv_htif.h
+++ b/include/hw/char/riscv_htif.h
@@ -33,8 +33,6 @@ typedef struct HTIFState {
 
     hwaddr tohost_offset;
     hwaddr fromhost_offset;
-    uint64_t tohost_size;
-    uint64_t fromhost_size;
     MemoryRegion mmio;
     MemoryRegion *address_space;
     MemoryRegion *main_mem;