diff --git a/drivers/staging/csr/csr_framework_ext.h b/drivers/staging/csr/csr_framework_ext.h
index 3991274d8123..50e5f45e52bc 100644
--- a/drivers/staging/csr/csr_framework_ext.h
+++ b/drivers/staging/csr/csr_framework_ext.h
@@ -34,88 +34,6 @@ extern "C" {
 
 #define CSR_EVENT_WAIT_INFINITE         ((u16) 0xFFFF)
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrEventCreate
- *
- *  DESCRIPTION
- *      Creates an event and returns a handle to the created event.
- *
- *  RETURNS
- *      Possible values:
- *          CSR_RESULT_SUCCESS          in case of success
- *          CSR_FE_RESULT_NO_MORE_EVENTS   in case of out of event resources
- *          CSR_FE_RESULT_INVALID_POINTER  in case the eventHandle pointer is invalid
- *
- *----------------------------------------------------------------------------*/
-CsrResult CsrEventCreate(CsrEventHandle *eventHandle);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrEventWait
- *
- *  DESCRIPTION
- *      Wait fore one or more of the event bits to be set.
- *
- *  RETURNS
- *      Possible values:
- *          CSR_RESULT_SUCCESS              in case of success
- *          CSR_FE_RESULT_TIMEOUT              in case of timeout
- *          CSR_FE_RESULT_INVALID_HANDLE       in case the eventHandle is invalid
- *          CSR_FE_RESULT_INVALID_POINTER      in case the eventBits pointer is invalid
- *
- *----------------------------------------------------------------------------*/
-CsrResult CsrEventWait(CsrEventHandle *eventHandle, u16 timeoutInMs, u32 *eventBits);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrEventSet
- *
- *  DESCRIPTION
- *      Set an event.
- *
- *  RETURNS
- *      Possible values:
- *          CSR_RESULT_SUCCESS              in case of success
- *          CSR_FE_RESULT_INVALID_HANDLE       in case the eventHandle is invalid
- *
- *----------------------------------------------------------------------------*/
-CsrResult CsrEventSet(CsrEventHandle *eventHandle, u32 eventBits);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrEventDestroy
- *
- *  DESCRIPTION
- *      Destroy the event associated.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrEventDestroy(CsrEventHandle *eventHandle);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrGlobalMutexUnlock
- *
- *  DESCRIPTION
- *      Unlock the global mutex.
- *
- *----------------------------------------------------------------------------*/
-void CsrGlobalMutexUnlock(void);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrThreadSleep
- *
- *  DESCRIPTION
- *      Sleep for a given period.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
 void CsrThreadSleep(u16 sleepTimeInMs);
 
 #ifdef __cplusplus