diff --git a/drivers/staging/csr/csr_framework_ext.c b/drivers/staging/csr/csr_framework_ext.c
index 48573f64edd4..5b2bc4bdeffa 100644
--- a/drivers/staging/csr/csr_framework_ext.c
+++ b/drivers/staging/csr/csr_framework_ext.c
@@ -19,32 +19,6 @@
 #include "csr_framework_ext.h"
 #include "csr_panic.h"
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMutexCreate
- *
- *  DESCRIPTION
- *      Create a mutex and return a handle to the created mutex.
- *
- *  RETURNS
- *      Possible values:
- *          CSR_RESULT_SUCCESS           in case of success
- *          CSR_FE_RESULT_NO_MORE_MUTEXES   in case of out of mutex resources
- *          CSR_FE_RESULT_INVALID_POINTER   in case the mutexHandle pointer is invalid
- *
- *----------------------------------------------------------------------------*/
-CsrResult CsrMutexCreate(CsrMutexHandle *mutexHandle)
-{
-    if (mutexHandle == NULL)
-    {
-        return CSR_FE_RESULT_INVALID_POINTER;
-    }
-
-    sema_init(mutexHandle, 1);
-
-    return CSR_RESULT_SUCCESS;
-}
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrThreadSleep
diff --git a/drivers/staging/csr/csr_framework_ext.h b/drivers/staging/csr/csr_framework_ext.h
index 83781ea6ef0c..3991274d8123 100644
--- a/drivers/staging/csr/csr_framework_ext.h
+++ b/drivers/staging/csr/csr_framework_ext.h
@@ -95,22 +95,6 @@ CsrResult CsrEventSet(CsrEventHandle *eventHandle, u32 eventBits);
  *----------------------------------------------------------------------------*/
 void CsrEventDestroy(CsrEventHandle *eventHandle);
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMutexCreate
- *
- *  DESCRIPTION
- *      Create a mutex and return a handle to the created mutex.
- *
- *  RETURNS
- *      Possible values:
- *          CSR_RESULT_SUCCESS           in case of success
- *          CSR_FE_RESULT_NO_MORE_MUTEXES   in case of out of mutex resources
- *          CSR_FE_RESULT_INVALID_POINTER   in case the mutexHandle pointer is invalid
- *
- *----------------------------------------------------------------------------*/
-CsrResult CsrMutexCreate(CsrMutexHandle *mutexHandle);
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrGlobalMutexUnlock