diff --git a/targets/TARGET_NUVOTON/TARGET_M2351/device/M2351.h b/targets/TARGET_NUVOTON/TARGET_M2351/device/M2351.h
index 2b65428a3c9..35511361887 100644
--- a/targets/TARGET_NUVOTON/TARGET_M2351/device/M2351.h
+++ b/targets/TARGET_NUVOTON/TARGET_M2351/device/M2351.h
@@ -62,8 +62,9 @@ typedef volatile unsigned short vu16;
 #define TRUE        (1L)
 #define FALSE       (0L)
 
-#define ENABLE      1
-#define DISABLE     0
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE      1
+//#define DISABLE     0
 
 /* Bit Mask Definitions */
 #define BIT0    0x00000001UL
diff --git a/targets/TARGET_NUVOTON/TARGET_M251/device/M251.h b/targets/TARGET_NUVOTON/TARGET_M251/device/M251.h
index 194364500e8..7503171d167 100644
--- a/targets/TARGET_NUVOTON/TARGET_M251/device/M251.h
+++ b/targets/TARGET_NUVOTON/TARGET_M251/device/M251.h
@@ -578,8 +578,9 @@ typedef volatile unsigned short vu16;
 #define TRUE          (1UL)                ///< Boolean true, define to use in API parameters or return value
 #define FALSE         (0UL)                ///< Boolean false, define to use in API parameters or return value
 
-#define ENABLE        (1UL)                ///< Enable, define to use in API parameters
-#define DISABLE       (0UL)                ///< Disable, define to use in API parameters
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE        (1UL)                ///< Enable, define to use in API parameters
+//#define DISABLE       (0UL)                ///< Disable, define to use in API parameters
 
 /* Define one bit mask */
 #define BIT0          (0x00000001UL)       ///< Bit 0 mask of an 32 bit integer
diff --git a/targets/TARGET_NUVOTON/TARGET_M261/device/M261.h b/targets/TARGET_NUVOTON/TARGET_M261/device/M261.h
index ab80e10e466..b6e03f2914e 100644
--- a/targets/TARGET_NUVOTON/TARGET_M261/device/M261.h
+++ b/targets/TARGET_NUVOTON/TARGET_M261/device/M261.h
@@ -518,8 +518,9 @@ typedef volatile unsigned short vu16;
 #define TRUE        (1L)
 #define FALSE       (0L)
 
-#define ENABLE      1
-#define DISABLE     0
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE      1
+//#define DISABLE     0
 
 /* Bit Mask Definitions */
 #define BIT0    0x00000001UL
diff --git a/targets/TARGET_NUVOTON/TARGET_M480/device/M480.h b/targets/TARGET_NUVOTON/TARGET_M480/device/M480.h
index 69a86f54e7a..84ff3510c72 100644
--- a/targets/TARGET_NUVOTON/TARGET_M480/device/M480.h
+++ b/targets/TARGET_NUVOTON/TARGET_M480/device/M480.h
@@ -608,8 +608,9 @@ typedef volatile unsigned long  vu32;       ///< Define 32-bit unsigned volatile
 #define TRUE           (1UL)      ///< Boolean true, define to use in API parameters or return value
 #define FALSE          (0UL)      ///< Boolean false, define to use in API parameters or return value
 
-#define ENABLE         (1UL)      ///< Enable, define to use in API parameters
-#define DISABLE        (0UL)      ///< Disable, define to use in API parameters
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE         (1UL)      ///< Enable, define to use in API parameters
+//#define DISABLE        (0UL)      ///< Disable, define to use in API parameters
 
 /* Define one bit mask */
 #define BIT0     (0x00000001UL)       ///< Bit 0 mask of an 32 bit integer
diff --git a/targets/TARGET_NUVOTON/TARGET_NANO100/device/Nano100Series.h b/targets/TARGET_NUVOTON/TARGET_NANO100/device/Nano100Series.h
index 6a6520e57cd..9c6cfeb4569 100644
--- a/targets/TARGET_NUVOTON/TARGET_NANO100/device/Nano100Series.h
+++ b/targets/TARGET_NUVOTON/TARGET_NANO100/device/Nano100Series.h
@@ -11838,8 +11838,9 @@ typedef volatile unsigned long  vu32;       ///< Define 32-bit unsigned volatile
 #define FALSE          (0)      ///< Boolean false, define to use in API parameters or return value
 #endif
 
-#define ENABLE         (1)      ///< Enable, define to use in API parameters
-#define DISABLE        (0)      ///< Disable, define to use in API parameters
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE         (1)      ///< Enable, define to use in API parameters
+//#define DISABLE        (0)      ///< Disable, define to use in API parameters
 
 /* Define one bit mask */
 #define BIT0     (0x00000001)       ///< Bit 0 mask of an 32 bit integer
diff --git a/targets/TARGET_NUVOTON/TARGET_NUC472/device/NUC472_442.h b/targets/TARGET_NUVOTON/TARGET_NUC472/device/NUC472_442.h
index 6d44e48957b..e99b8167cd9 100644
--- a/targets/TARGET_NUVOTON/TARGET_NUC472/device/NUC472_442.h
+++ b/targets/TARGET_NUVOTON/TARGET_NUC472/device/NUC472_442.h
@@ -32521,8 +32521,9 @@ typedef volatile unsigned long  vu32;       ///< Define 32-bit unsigned volatile
 #define FALSE          (0)      ///< Boolean false, define to use in API parameters or return value
 #endif
 
-#define ENABLE         (1)      ///< Enable, define to use in API parameters
-#define DISABLE        (0)      ///< Disable, define to use in API parameters
+/* Not used on Mbed OS. Remove to get around name conflict */
+//#define ENABLE         (1)      ///< Enable, define to use in API parameters
+//#define DISABLE        (0)      ///< Disable, define to use in API parameters
 
 /* Define one bit mask */
 #define BIT0     (0x00000001)       ///< Bit 0 mask of an 32 bit integer