diff --git a/lib/hardware/coolstream/hardware_caps.cpp b/lib/hardware/coolstream/hardware_caps.cpp
index b4d4c0a46..4e03fd2df 100644
--- a/lib/hardware/coolstream/hardware_caps.cpp
+++ b/lib/hardware/coolstream/hardware_caps.cpp
@@ -20,7 +20,9 @@ hw_caps_t *get_hwcaps(void) {
 	if (initialized)
 		return ∩︀
 	int rev = cs_get_revision();
+#ifdef BOXMODEL_CS_HD2
 	int chip = cs_get_chip_type();
+#endif
 	caps.has_fan = (rev < 8 && CFEManager::getInstance()->getFE(0)->hasSat()); // only SAT-HD1 before rev 8 has fan
 	caps.has_HDMI = 1;
 	caps.has_SCART = (rev != 10);
@@ -55,6 +57,7 @@ hw_caps_t *get_hwcaps(void) {
 		strcpy(caps.boxarch, "Nevis");
 		caps.force_tuner_2G = 1;
 		break;
+#ifdef BOXMODEL_CS_HD2
 	case 9:
 		strcpy(caps.boxname, "Tank");
 		strcpy(caps.boxarch, "Apollo");
@@ -88,6 +91,7 @@ hw_caps_t *get_hwcaps(void) {
 		strcpy(caps.boxname, "Trinity Duo");
 		strcpy(caps.boxarch, "Kronos");
 		break;
+#endif
 	default:
 		strcpy(caps.boxname, "UNKNOWN_BOX");
 		strcpy(caps.boxarch, "Unknown");
diff --git a/lib/hardware/coolstream/hd1/libcoolstream/cs_api.h b/lib/hardware/coolstream/hd1/libcoolstream/cs_api.h
index 9a4e77259..f778e149b 100644
--- a/lib/hardware/coolstream/hd1/libcoolstream/cs_api.h
+++ b/lib/hardware/coolstream/hd1/libcoolstream/cs_api.h
@@ -17,13 +17,6 @@
 
 typedef void (*cs_messenger) (unsigned int msg, unsigned int data);
 
-#define CS_CHIP_APOLLO			0x8490
-#define CS_CHIP_SHINER			0x8470
-#define CS_CHIP_KRONOS_S		0x7540
-#define CS_CHIP_KRONOS_C		0x7550
-#define CS_CHIP_KRONOS_IP		0x7530
-#define CS_CHIP_NEVIS			0x0000	/* workaround for nonexistant nevis chiptype */
-
 enum CS_LOG_MODULE {
 	CS_LOG_CI	= 0,
 	CS_LOG_HDMI_CEC,
@@ -47,9 +40,6 @@ enum CS_LOG_MODULE {
 void cs_api_init(void);
 void cs_api_exit(void);
 
-/* Dummy for compatibility with HD2 */
-#define cs_new_auto_videosystem();
-
 // Memory helpers
 void *cs_malloc_uncached(size_t size);
 void cs_free_uncached(void *ptr);
@@ -81,29 +71,6 @@ int cs_get_tsp_config(unsigned int port, tsrouter_tsp_config_t *tsp_config);
 // Serial nr and revision accessors
 unsigned long long cs_get_serial(void);
 unsigned int cs_get_revision(void);
-/* Dummy function for compatibility with hd2 */
-unsigned int cs_get_chip_type(void);
 
 
-// library version functions
-typedef struct cs_libversion_t
-{
-    int    vMajor;
-    int    vMinor;
-    int    vPatch;
-    char   vStr[16];
-    char   vGit[41];
-    char   vGitDescribe[64];
-    time_t vGitTime;
-} cs_libversion_struct_t;
-
-void cs_get_lib_version(cs_libversion_t *ver);
-
-/* return value:
-   -------------
-   1 Library version newer than given version
-   0 library version equals given version
-  -1 Library version older than given version */
-int  cs_compare_lib_versions(int Major, int Minor, int Patch);
-
 #endif //__CS_API_H_
diff --git a/lib/hardware/coolstream/hd1/libcoolstream/video_cs.h b/lib/hardware/coolstream/hd1/libcoolstream/video_cs.h
index b29677e83..47524c1b6 100644
--- a/lib/hardware/coolstream/hd1/libcoolstream/video_cs.h
+++ b/lib/hardware/coolstream/hd1/libcoolstream/video_cs.h
@@ -9,11 +9,9 @@
 #ifndef __VIDEO_CS_H_
 #define __VIDEO_CS_H_
 
-#include <stdint.h>
 #include <cs_vfd.h>
 #include <control.h>
 #include <dmx_cs.h>
-#include <linux/fb.h>
 
 #include "cs_types.h"
 
@@ -125,18 +123,6 @@ typedef enum
    VIDEO_CONTROL_MAX = VIDEO_CONTROL_SHARPNESS
 } VIDEO_CONTROL;
 
-typedef struct cs_vs_format_t
-{
-	char format[16];
-} cs_vs_format_struct_t;
-
-enum {
-	CS_FBCOPY_BB2FB  = 0,
-	CS_FBCOPY_FB2FB  = 1,
-	CS_FBCOPY_MEM2FB = 2,
-	CS_FBCOPY_FB2MEM = 3
-};
-
 class cVideo {
 private:
 	CS_VIDEO_PDATA		*privateData;
@@ -169,11 +155,6 @@ private:
 	vfd_icon		mode_icon;
 	unsigned int		unit;
 	cDemux			*demux;
-	int			current_video_system;
-	bool			isReadScreeninfo;
-	fb_var_screeninfo	varScreeninfo;
-	fb_fix_screeninfo	fixScreeninfo;
-
 	//
 	int SelectAutoFormat();
 	void ScalePic();
@@ -182,9 +163,6 @@ public:
 	cVideo(int mode, void * hChannel, void * hBuffer, unsigned int Unit = 0);
 	~cVideo(void);
 
-	/* Important!
-	   Call this function when osd resolution has been changed */
-	void   updateOsdScreenInfo();
 	void * GetDRM(void);
 	void * GetTVEnc();
 	void * GetTVEncSD();
@@ -229,11 +207,6 @@ public:
 	int64_t GetPTS(void);
 	int Flush(void);
 
-	/* get video system infos */
-	int GetVideoSystem();
-	/* when system = -1 then use current video system */
-	void GetVideoSystemFormatName(cs_vs_format_t* format, int system = -1);
-
 	/* set video_system */
 	int SetVideoSystem(int video_system, bool remember = true);
 	int SetStreamType(VIDEO_FORMAT type);
@@ -261,8 +234,6 @@ public:
 	int  StartVBI(unsigned short pid);
 	int  StopVBI(void);
 	bool GetScreenImage(unsigned char * &data, int &xres, int &yres, bool get_video = true, bool get_osd = false, bool scale_to_video = false);
-	int  fbCopy(uint32_t *mem_p, int width, int height, int dst_x, int dst_y, int src_x, int src_y, int mode);
-	int  fbFill(int sx, int sy, int width, int height, fb_pixel_t col, int mode=0);
 	void SetDemux(cDemux *Demux);
 };