diff --git a/desmume/src/ctrlssdl.cpp b/desmume/src/ctrlssdl.cpp
index 7bde097b9..b3d55ea09 100644
--- a/desmume/src/ctrlssdl.cpp
+++ b/desmume/src/ctrlssdl.cpp
@@ -77,24 +77,6 @@ const u16 default_joypad_cfg[NB_KEYS] =
     0xFFFF  // BOOST
   };
 
-const u16 plain_keyboard_cfg[NB_KEYS] =
-{
-    'x',         // A
-    'z',         // B
-    'y',         // select
-    'u',         // start
-    'l',         // Right
-    'j',         // Left
-    'i',         // Up
-    'k',         // Down
-    'w',         // R
-    'q',         // L
-    's',         // X
-    'a',         // Y
-    'p',         // DEBUG
-    'o'          // BOOST
-};
-
 /* Load default joystick and keyboard configurations */
 void load_default_config(const u16 kbCfg[])
 {
@@ -102,6 +84,12 @@ void load_default_config(const u16 kbCfg[])
   memcpy(joypad_cfg, default_joypad_cfg, sizeof(joypad_cfg));
 }
 
+/* Set all buttons at once */
+static void set_joy_keys(const u16 joyCfg[])
+{
+  memcpy(joypad_cfg, joyCfg, sizeof(joypad_cfg));
+}
+
 /* Initialize joysticks */
 BOOL init_joy( void) {
   int i;
@@ -148,18 +136,6 @@ BOOL init_joy( void) {
   return joy_init_good;
 }
 
-/* Set all buttons at once */
-void set_joy_keys(const u16 joyCfg[])
-{
-  memcpy(joypad_cfg, joyCfg, sizeof(joypad_cfg));
-}
-
-/* Set all buttons at once */
-void set_kb_keys(const u16 kbCfg[])
-{
-  memcpy(keyboard_cfg, kbCfg, sizeof(keyboard_cfg));
-}
-
 /* Unload joysticks */
 void uninit_joy( void)
 {
@@ -285,7 +261,7 @@ screen_to_touch_range( signed long scr, float size_ratio) {
 }
 
 /* Set mouse coordinates */
-void set_mouse_coord(signed long x,signed long y)
+static void set_mouse_coord(signed long x,signed long y)
 {
   if(x<0) x = 0; else if(x>255) x = 255;
   if(y<0) y = 0; else if(y>192) y = 192;
diff --git a/desmume/src/ctrlssdl.h b/desmume/src/ctrlssdl.h
index d63c477d8..5c983f8a8 100644
--- a/desmume/src/ctrlssdl.h
+++ b/desmume/src/ctrlssdl.h
@@ -26,7 +26,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
-//#include <pthread.h>
 #include <SDL.h>
 #include "MMU.h"
 
@@ -81,8 +80,6 @@ struct mouse_status
 };
 
 extern mouse_status mouse;
-
-void set_mouse_coord(signed long x,signed long y);
 #endif // !GTK_UI
 
 struct ctrls_event_config {
@@ -99,8 +96,6 @@ struct ctrls_event_config {
 void load_default_config(const u16 kbCfg[]);
 BOOL init_joy( void);
 void uninit_joy( void);
-void set_joy_keys(const u16 joyCfg[]);
-void set_kb_keys(const u16 kbCfg[]);
 u16 get_joy_key(int index);
 u16 get_set_joy_key(int index);
 void update_keypad(u16 keys);