diff --git a/reactos/include/structs.h b/reactos/include/structs.h
index 34481409acd..642d406de7d 100644
--- a/reactos/include/structs.h
+++ b/reactos/include/structs.h
@@ -3529,10 +3529,6 @@ typedef struct _SESSION_HEADER {
   UCHAR rcv_any_outstanding; 
 } SESSION_HEADER; 
  
-typedef struct _SET_PARTITION_INFORMATION { 
-  BYTE PartitionType; 
-} SET_PARTITION_INFORMATION ; 
- 
 typedef enum tagSHCONTF { 
   SHCONTF_FOLDERS = 32,         
   SHCONTF_NONFOLDERS = 64,