diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 12da89d562..62b34a992e 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -27,11 +27,6 @@
 #include "sysemu/numa.h"
 #include "trace.h"
 
-typedef struct pc_dimms_capacity {
-     uint64_t size;
-     Error    **errp;
-} pc_dimms_capacity;
-
 void pc_dimm_memory_plug(DeviceState *dev, MachineState *machine,
                          uint64_t align, Error **errp)
 {