diff --git a/arch/cpu/arm/common/usb/cdc-acm/cdc-acm-descriptors.c b/arch/cpu/arm/common/usb/cdc-acm/cdc-acm-descriptors.c
index 4e9902297..696f2e455 100644
--- a/arch/cpu/arm/common/usb/cdc-acm/cdc-acm-descriptors.c
+++ b/arch/cpu/arm/common/usb/cdc-acm/cdc-acm-descriptors.c
@@ -122,5 +122,5 @@ const struct configuration_st {
           
   };
 
-const struct usb_st_configuration_descriptor const *configuration_head =
-(struct usb_st_configuration_descriptor const*)&configuration_block;
+const struct usb_st_configuration_descriptor* const configuration_head =
+(const struct usb_st_configuration_descriptor*)&configuration_block;
diff --git a/arch/cpu/arm/common/usb/descriptors.h b/arch/cpu/arm/common/usb/descriptors.h
index f54184395..6c89f3c03 100644
--- a/arch/cpu/arm/common/usb/descriptors.h
+++ b/arch/cpu/arm/common/usb/descriptors.h
@@ -6,5 +6,5 @@
 #endif
 
 extern const struct usb_st_device_descriptor device_descriptor;
-extern const struct usb_st_configuration_descriptor const *configuration_head;
+extern const struct usb_st_configuration_descriptor* const configuration_head;
 #endif /* DESCRIPTORS_H_RPFUB8O7OV__ */
diff --git a/arch/cpu/cc2538/usb/cdc-acm-descriptors.c b/arch/cpu/cc2538/usb/cdc-acm-descriptors.c
index eb2a9d7b3..fd56ed303 100644
--- a/arch/cpu/cc2538/usb/cdc-acm-descriptors.c
+++ b/arch/cpu/cc2538/usb/cdc-acm-descriptors.c
@@ -161,7 +161,7 @@ const struct configuration_st {
 
   };
 
-const struct usb_st_configuration_descriptor const *configuration_head =
-(struct usb_st_configuration_descriptor const *)&configuration_block;
+const struct usb_st_configuration_descriptor* const configuration_head =
+(const struct usb_st_configuration_descriptor*)&configuration_block;
 
 /** @} */
diff --git a/arch/cpu/cc2538/usb/common/descriptors.h b/arch/cpu/cc2538/usb/common/descriptors.h
index f54184395..6c89f3c03 100644
--- a/arch/cpu/cc2538/usb/common/descriptors.h
+++ b/arch/cpu/cc2538/usb/common/descriptors.h
@@ -6,5 +6,5 @@
 #endif
 
 extern const struct usb_st_device_descriptor device_descriptor;
-extern const struct usb_st_configuration_descriptor const *configuration_head;
+extern const struct usb_st_configuration_descriptor* const configuration_head;
 #endif /* DESCRIPTORS_H_RPFUB8O7OV__ */