diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index bec2e86..99477a3 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -119,9 +119,6 @@
     return;
 
 done:
-    dma_memory_unmap(&address_space_memory, io->dma_mem, io->dma_len,
-                     io->dir, io->dma_len);
-
     if (ret < 0) {
         block_acct_failed(blk_get_stats(s->blk), &s->acct);
     } else {
@@ -202,9 +199,6 @@
     return;
 
 done:
-    dma_memory_unmap(&address_space_memory, io->dma_mem, io->dma_len,
-                     io->dir, io->dma_len);
-
     if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) {
         if (ret < 0) {
             block_acct_failed(blk_get_stats(s->blk), &s->acct);
diff --git a/include/hw/ppc/mac_dbdma.h b/include/hw/ppc/mac_dbdma.h
index 4a3f644..c774f6b 100644
--- a/include/hw/ppc/mac_dbdma.h
+++ b/include/hw/ppc/mac_dbdma.h
@@ -44,10 +44,6 @@
     DBDMA_end dma_end;
     /* DMA is in progress, don't start another one */
     bool processing;
-    /* DMA request */
-    void *dma_mem;
-    dma_addr_t dma_len;
-    DMADirection dir;
 };
 
 /*