diff --git a/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoMem.c b/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoMem.c
index 41731c1ebd..aa8d7d9c3b 100644
--- a/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoMem.c
+++ b/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoMem.c
@@ -56,7 +56,6 @@ ArmPlatformGetVirtualMemoryMap (
   ResourceAttributes =
       EFI_RESOURCE_ATTRIBUTE_PRESENT |
       EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
-      EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
index c6df2e1b3d..115df24679 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
@@ -61,7 +61,6 @@ ArmPlatformGetVirtualMemoryMap (
     ResourceAttributes =
         EFI_RESOURCE_ATTRIBUTE_PRESENT |
         EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
-        EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
         EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
         EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
         EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
diff --git a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
index 75e6631d7f..2feb11f21d 100644
--- a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
+++ b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
@@ -89,7 +89,6 @@ MemoryPeim (
   ResourceAttributes = (
       EFI_RESOURCE_ATTRIBUTE_PRESENT |
       EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
-      EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
       EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |