diff --git a/menu.h b/menu.h
index 2789869..1b24c65 100644
--- a/menu.h
+++ b/menu.h
@@ -27,7 +27,6 @@ void EjectAllFloppies();
 unsigned long getStatus(char *opt, unsigned long status);
 
 void menu_key_set(uint32_t c);
-void menu_mod_set(uint32_t m);
 
 void substrcpy(char *d, char *s, char idx);
 extern char joy_bnames[12][32];
diff --git a/osd.c b/osd.c
index 79419e7..0299f32 100644
--- a/osd.c
+++ b/osd.c
@@ -495,10 +495,6 @@ void OsdDisable(void)
 }
 
 
-void MM1_ConfigFilter(unsigned char lores, unsigned char hires) {
-	spi_osd_cmd(MM1_OSDCMDCFGFLT | ((hires & 0x03) << 2) | (lores & 0x03));
-}
-
 void ConfigVideo(unsigned char hires, unsigned char lores, unsigned char scanlines)
 {
 	spi_osd_cmd16(OSD_CMD_VID, (((scanlines >> 6) & 0x03) << 10) | (((scanlines >> 4) & 0x03) << 8) | (((scanlines >> 2) & 0x03) << 6) | ((hires & 0x03) << 4) | ((lores & 0x03) << 2) | (scanlines & 0x03));
@@ -529,11 +525,6 @@ void ConfigFloppy(unsigned char drives, unsigned char speed)
 	spi_osd_cmd8(OSD_CMD_FLP, ((drives & 0x03) << 2) | (speed & 0x03));
 }
 
-void MM1_ConfigScanlines(unsigned char scanlines)
-{
-	spi_osd_cmd(MM1_OSDCMDCFGSCL | (scanlines & 0x0F));
-}
-
 void ConfigAutofire(unsigned char autofire, unsigned char mask)
 {
 	uint16_t param = mask;
diff --git a/osd.h b/osd.h
index abdb93d..01e2652 100644
--- a/osd.h
+++ b/osd.h
@@ -71,12 +71,7 @@ void OsdWriteOffset(unsigned char n, char *s, unsigned char inver, unsigned char
 void OsdClear(void);
 void OsdEnable(unsigned char mode);
 void OsdDisable(void);
-void OsdWaitVBL(void);
 void ConfigFilter(unsigned char lores, unsigned char hires);
-void OsdReconfig(); // Reset to Chameleon core.
-					// deprecated functions from Minimig 1
-void MM1_ConfigFilter(unsigned char lores, unsigned char hires);
-void MM1_ConfigScanlines(unsigned char scanlines);
 void ConfigVideo(unsigned char hires, unsigned char lores, unsigned char scanlines);
 void ConfigAudio(unsigned char audio);
 void ConfigMemory(unsigned char memory);
@@ -85,8 +80,6 @@ void ConfigChipset(unsigned char chipset);
 void ConfigFloppy(unsigned char drives, unsigned char speed);
 void ConfigAutofire(unsigned char autofire, unsigned char mask);
 void OSD_PrintText(unsigned char line, char *text, unsigned long start, unsigned long width, unsigned long offset, unsigned char invert);
-void OsdWriteDoubleSize(unsigned char n, char *s, unsigned char pass);
-//void OsdDrawLogo(unsigned char n, char row);
 void OsdDrawLogo(unsigned char n, char row, char superimpose);
 void ScrollText(char n, const char *str, int off, int len, int max_len, unsigned char invert);
 void ScrollReset();