diff --git a/tinyusb/portable/nordic/nrf5x/dcd_nrf52.h b/tinyusb/portable/nordic/nrf5x/dcd_nrf52.h
deleted file mode 100644
index 7d830da6f..000000000
--- a/tinyusb/portable/nordic/nrf5x/dcd_nrf52.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     dcd_nrf52.h
-    @author   hathach
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2018, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/**************************************************************************/
-#ifndef DCD_NRF52_H_
-#define DCD_NRF52_H_
-
-
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* DCD_NRF52_H_ */
diff --git a/tinyusb/portable/nordic/nrf5x/dcd_nrf52.c b/tinyusb/portable/nordic/nrf5x/dcd_nrf5x.c
similarity index 99%
rename from tinyusb/portable/nordic/nrf5x/dcd_nrf52.c
rename to tinyusb/portable/nordic/nrf5x/dcd_nrf5x.c
index 78e2df87c..ecb896c8f 100644
--- a/tinyusb/portable/nordic/nrf5x/dcd_nrf52.c
+++ b/tinyusb/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -1,6 +1,6 @@
 /**************************************************************************/
 /*!
-    @file     dcd_nrf52.c
+    @file     dcd_nrf5x.c
     @author   hathach
 
     @section LICENSE
diff --git a/tinyusb/portable/nordic/nrf5x/hal_nrf52.c b/tinyusb/portable/nordic/nrf5x/hal_nrf5x.c
similarity index 99%
rename from tinyusb/portable/nordic/nrf5x/hal_nrf52.c
rename to tinyusb/portable/nordic/nrf5x/hal_nrf5x.c
index 5554beb56..2264dadfc 100644
--- a/tinyusb/portable/nordic/nrf5x/hal_nrf52.c
+++ b/tinyusb/portable/nordic/nrf5x/hal_nrf5x.c
@@ -1,6 +1,6 @@
 /**************************************************************************/
 /*!
-    @file     hal_nrf52.c
+    @file     hal_nrf5x.c
     @author   hathach
 
     @section LICENSE