diff --git a/MdePkg/Include/Library/CacheMaintenanceLib.h b/MdePkg/Include/Library/CacheMaintenanceLib.h
index 247c702962..a575ec2fc1 100644
--- a/MdePkg/Include/Library/CacheMaintenanceLib.h
+++ b/MdePkg/Include/Library/CacheMaintenanceLib.h
@@ -22,9 +22,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   Invalidates the entire instruction cache in cache coherency domain of the
   calling CPU.
 
-  Invalidates the entire instruction cache in cache coherency domain of the
-  calling CPU.
-
 **/
 VOID
 EFIAPI