diff --git a/lib/libcoolstream/dmx_cs.h b/lib/libcoolstream/dmx_cs.h
index 5d93adc3c..7734de5b1 100644
--- a/lib/libcoolstream/dmx_cs.h
+++ b/lib/libcoolstream/dmx_cs.h
@@ -61,7 +61,7 @@ public:
 	unsigned short GetPID(void) { return pid; }
 	const unsigned char *GetFilterTID(u8 FilterIndex = 0);
 	const unsigned char *GetFilterMask(u8 FilterIndex = 0);
-	const unsigned int GetFilterLength(u8 FilterIndex = 0);
+	unsigned int GetFilterLength(u8 FilterIndex = 0);
 	bool AddSectionFilter(unsigned short Pid, const unsigned char * const Filter, const unsigned char * const Mask, int len, const unsigned char * const nMask = NULL);
 	bool sectionFilter(unsigned short Pid, const unsigned char * const Tid, const unsigned char * const Mask, int len, int Timeout = DEMUX_POLL_TIMEOUT, const unsigned char * const nMask = NULL);
 	bool pesFilter(const unsigned short Pid);
diff --git a/lib/libcoolstream/pwrmngr.h b/lib/libcoolstream/pwrmngr.h
index 2ef61c752..f0973c772 100644
--- a/lib/libcoolstream/pwrmngr.h
+++ b/lib/libcoolstream/pwrmngr.h
@@ -45,7 +45,7 @@ private:
 	bool			opened;
 	PWR_STATE		powerState;
 	//
-	static void ApplicationCallback(void *hHandle, void *pUserData, signed long eEvent, void *pEventData, void *pTag) {}
+	static void ApplicationCallback(void * /*hHandle*/, void */*pUserData*/, signed long /*eEvent*/, void */*pEventData*/, void */*pTag*/) {}
 	bool SetState(PWR_STATE PowerState);
 public:
 	bool Open(void);