diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 0abbe45637c3189fe6ae124ead861d5dc373828f..882fd8dfd2b25437b0d69f7b19ad3964f9d1429b 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -96,7 +96,7 @@ struct PCMachineState {
  *                  way we can use 1GByte pages in the host.
  *
  */
-struct PCMachineClass {
+typedef struct PCMachineClass {
     /*< private >*/
     MachineClass parent_class;
 
@@ -133,7 +133,7 @@ struct PCMachineClass {
 
     /* use DMA capable linuxboot option rom */
     bool linuxboot_dma_enabled;
-};
+} PCMachineClass;
 
 #define TYPE_PC_MACHINE "generic-pc-machine"
 #define PC_MACHINE(obj) \
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index 5d8b153344a63ee1dfc6f46e18f9a476063d7040..d5de58cad115cff7d2b2352a6000cf8bc9940279 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -74,7 +74,6 @@ typedef struct PCIExpressDevice PCIExpressDevice;
 typedef struct PCIExpressHost PCIExpressHost;
 typedef struct PCIHostDeviceAddress PCIHostDeviceAddress;
 typedef struct PCIHostState PCIHostState;
-typedef struct PCMachineClass PCMachineClass;
 typedef struct PCMachineState PCMachineState;
 typedef struct PixelFormat PixelFormat;
 typedef struct PostcopyDiscardState PostcopyDiscardState;