diff --git a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h
index d182b4b90ab10048cfc9be6574254b2ae49723dd..c03f4b79d9d5d037d1fe5c86d5237d5969e5334f 100644
--- a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h
+++ b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h
@@ -377,7 +377,7 @@
 	#if !defined(__DOXYGEN__)
 		/* Function Prototypes: */
 			#if defined(__INCLUDE_FROM_AUDIO_DEVICE_C)
-				void Audio_Device_Event_Stub(void) ATTR_CONST;
+				void Audio_Device_Event_Stub(void);
 
 				void EVENT_Audio_Device_StreamStartStop(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 				                                        ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(Audio_Device_Event_Stub);
diff --git a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h
index 6fea69176681ea21260a9f503b7e17d891ff58ac..318920f55696874b3ed257b47a0ca00c4708c22a 100644
--- a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h
+++ b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h
@@ -370,7 +370,7 @@
 				static int CDC_Device_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
 				#endif
 
-				void CDC_Device_Event_Stub(void) ATTR_CONST;
+				void CDC_Device_Event_Stub(void);
 
 				void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 				                                          ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Device_Event_Stub);
diff --git a/LUFA/Drivers/USB/Class/Device/PrinterClassDevice.h b/LUFA/Drivers/USB/Class/Device/PrinterClassDevice.h
index b23a7823063d6a1b9013428cca9aa98f70841d53..036a04b4cfc182e02aa11f4c608a431f37cbadf7 100644
--- a/LUFA/Drivers/USB/Class/Device/PrinterClassDevice.h
+++ b/LUFA/Drivers/USB/Class/Device/PrinterClassDevice.h
@@ -273,7 +273,7 @@
 				static int PRNT_Device_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
 				#endif
 
-				void PRNT_Device_Event_Stub(void) ATTR_CONST;
+				void PRNT_Device_Event_Stub(void);
 
 				void EVENT_PRNT_Device_SoftReset(USB_ClassInfo_PRNT_Device_t* const PRNTInterfaceInfo)
 				                                 ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(PRNT_Device_Event_Stub);
diff --git a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
index e5dba5d1bc727feb05abc53418a7cdbf31a7c197..c933e3aee0f95388a9e5c263d30a73ccf030442d 100644
--- a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
+++ b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
@@ -368,7 +368,7 @@
 				static int CDC_Host_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
 				#endif
 
-				void CDC_Host_Event_Stub(void) ATTR_CONST;
+				void CDC_Host_Event_Stub(void);
 
 				void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
 				                                           ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Host_Event_Stub);
diff --git a/LUFA/Drivers/USB/Core/Events.h b/LUFA/Drivers/USB/Core/Events.h
index 9ee786615eb6f759883b3dddf55d79b7b81659b8..c82245ff5f946c4e95eaf0efe8e7a292d05a3fd1 100644
--- a/LUFA/Drivers/USB/Core/Events.h
+++ b/LUFA/Drivers/USB/Core/Events.h
@@ -331,7 +331,7 @@
 	#if !defined(__DOXYGEN__)
 		/* Function Prototypes: */
 			#if defined(__INCLUDE_FROM_EVENTS_C)
-				void USB_Event_Stub(void) ATTR_CONST;
+				void USB_Event_Stub(void);
 
 				#if defined(USB_CAN_BE_BOTH)
 					void EVENT_USB_UIDChange(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);