diff --git a/hypervisor/Makefile b/hypervisor/Makefile
index b1eac9a3f..d30df7422 100644
--- a/hypervisor/Makefile
+++ b/hypervisor/Makefile
@@ -224,7 +224,7 @@ HW_C_SRCS += arch/x86/pm.c
 HW_S_SRCS += arch/x86/wakeup.S
 HW_C_SRCS += arch/x86/trampoline.c
 HW_S_SRCS += arch/x86/sched.S
-HW_C_SRCS += arch/x86/cat.c
+HW_C_SRCS += arch/x86/rdt.c
 HW_C_SRCS += arch/x86/sgx.c
 HW_C_SRCS += common/softirq.c
 HW_C_SRCS += common/schedule.c
diff --git a/hypervisor/arch/x86/configs/vm_config.c b/hypervisor/arch/x86/configs/vm_config.c
index cc21212c6..818f0673c 100644
--- a/hypervisor/arch/x86/configs/vm_config.c
+++ b/hypervisor/arch/x86/configs/vm_config.c
@@ -7,7 +7,7 @@
 #include <bits.h>
 #include <vm_config.h>
 #include <logmsg.h>
-#include <cat.h>
+#include <rdt.h>
 #include <pgtable.h>
 #include <vuart.h>
 
diff --git a/hypervisor/arch/x86/cpu.c b/hypervisor/arch/x86/cpu.c
index 8c5a0ac6f..7be1bb890 100644
--- a/hypervisor/arch/x86/cpu.c
+++ b/hypervisor/arch/x86/cpu.c
@@ -23,7 +23,7 @@
 #include <msr.h>
 #include <ptdev.h>
 #include <logmsg.h>
-#include <cat.h>
+#include <rdt.h>
 #include <vboot.h>
 #include <sgx.h>
 #include <uart16550.h>
diff --git a/hypervisor/arch/x86/guest/vmsr.c b/hypervisor/arch/x86/guest/vmsr.c
index c73cc86f7..1335cd378 100644
--- a/hypervisor/arch/x86/guest/vmsr.c
+++ b/hypervisor/arch/x86/guest/vmsr.c
@@ -15,7 +15,7 @@
 #include <sgx.h>
 #include <guest_pm.h>
 #include <ucode.h>
-#include <cat.h>
+#include <rdt.h>
 #include <trace.h>
 #include <logmsg.h>
 
diff --git a/hypervisor/arch/x86/cat.c b/hypervisor/arch/x86/rdt.c
similarity index 96%
rename from hypervisor/arch/x86/cat.c
rename to hypervisor/arch/x86/rdt.c
index 4ad629e05..adb208dc2 100644
--- a/hypervisor/arch/x86/cat.c
+++ b/hypervisor/arch/x86/rdt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * Copyright (C) 2020 Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
 #include <cpuid.h>
 #include <errno.h>
 #include <logmsg.h>
-#include <cat.h>
+#include <rdt.h>
 #include <board.h>
 #include <vm_config.h>
 #include <msr.h>
diff --git a/hypervisor/include/arch/x86/cat.h b/hypervisor/include/arch/x86/rdt.h
similarity index 85%
rename from hypervisor/include/arch/x86/cat.h
rename to hypervisor/include/arch/x86/rdt.h
index 5e8a3e651..84989ed0d 100644
--- a/hypervisor/include/arch/x86/cat.h
+++ b/hypervisor/include/arch/x86/rdt.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * Copyright (C) 2020 Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef CAT_H
-#define CAT_H
+#ifndef RDT_H
+#define RDT_H
 
 /* The intel Resource Director Tech(RDT) based Cache Allocation Tech support */
 struct cat_hw_info {
@@ -27,4 +27,4 @@ void setup_clos(uint16_t pcpu_id);
 int32_t init_cat_cap_info(void);
 uint64_t clos2prq_msr(uint16_t clos);
 
-#endif	/* CAT_H */
+#endif	/* RDT_H */