diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index f4bab629739c..0a1048cf23f6 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -323,18 +323,7 @@ struct alps_data {
 
 #define ALPS_QUIRK_TRACKSTICK_BUTTONS	1 /* trakcstick buttons in trackstick packet */
 
-#ifdef CONFIG_MOUSE_PS2_ALPS
 int alps_detect(struct psmouse *psmouse, bool set_properties);
 int alps_init(struct psmouse *psmouse);
-#else
-inline int alps_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-inline int alps_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_ALPS */
 
 #endif
diff --git a/drivers/input/mouse/byd.h b/drivers/input/mouse/byd.h
index 8cb90d904186..ff2771e2dd2e 100644
--- a/drivers/input/mouse/byd.h
+++ b/drivers/input/mouse/byd.h
@@ -2,18 +2,7 @@
 #ifndef _BYD_H
 #define _BYD_H
 
-#ifdef CONFIG_MOUSE_PS2_BYD
 int byd_detect(struct psmouse *psmouse, bool set_properties);
 int byd_init(struct psmouse *psmouse);
-#else
-static inline int byd_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-static inline int byd_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_BYD */
 
 #endif /* _BYD_H */
diff --git a/drivers/input/mouse/cypress_ps2.h b/drivers/input/mouse/cypress_ps2.h
index 1eaddd818004..bb4979d06bf9 100644
--- a/drivers/input/mouse/cypress_ps2.h
+++ b/drivers/input/mouse/cypress_ps2.h
@@ -170,18 +170,7 @@ struct cytp_data {
 };
 
 
-#ifdef CONFIG_MOUSE_PS2_CYPRESS
 int cypress_detect(struct psmouse *psmouse, bool set_properties);
 int cypress_init(struct psmouse *psmouse);
-#else
-inline int cypress_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-inline int cypress_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_CYPRESS */
 
 #endif  /* _CYPRESS_PS2_H */
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 46343998522b..e0a3e59d4f1b 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -184,32 +184,18 @@ struct elantech_data {
 	void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate);
 };
 
-#ifdef CONFIG_MOUSE_PS2_ELANTECH
 int elantech_detect(struct psmouse *psmouse, bool set_properties);
 int elantech_init_ps2(struct psmouse *psmouse);
+
+#ifdef CONFIG_MOUSE_PS2_ELANTECH
 int elantech_init(struct psmouse *psmouse);
 #else
-static inline int elantech_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
 static inline int elantech_init(struct psmouse *psmouse)
 {
 	return -ENOSYS;
 }
-static inline int elantech_init_ps2(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
 #endif /* CONFIG_MOUSE_PS2_ELANTECH */
 
-#if defined(CONFIG_MOUSE_PS2_ELANTECH_SMBUS)
 int elantech_init_smbus(struct psmouse *psmouse);
-#else
-static inline int elantech_init_smbus(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_ELANTECH_SMBUS */
 
 #endif
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
index 98b7b384229b..ce041591f1a8 100644
--- a/drivers/input/mouse/hgpk.h
+++ b/drivers/input/mouse/hgpk.h
@@ -47,22 +47,15 @@ struct hgpk_data {
 	int xsaw_secondary, ysaw_secondary; /* jumpiness detection */
 };
 
-#ifdef CONFIG_MOUSE_PS2_OLPC
-void hgpk_module_init(void);
 int hgpk_detect(struct psmouse *psmouse, bool set_properties);
 int hgpk_init(struct psmouse *psmouse);
+
+#ifdef CONFIG_MOUSE_PS2_OLPC
+void hgpk_module_init(void);
 #else
 static inline void hgpk_module_init(void)
 {
 }
-static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENODEV;
-}
-static inline int hgpk_init(struct psmouse *psmouse)
-{
-	return -ENODEV;
-}
 #endif
 
 #endif
diff --git a/drivers/input/mouse/lifebook.h b/drivers/input/mouse/lifebook.h
index 573f2ca1983d..d989cca62dd6 100644
--- a/drivers/input/mouse/lifebook.h
+++ b/drivers/input/mouse/lifebook.h
@@ -8,22 +8,15 @@
 #ifndef _LIFEBOOK_H
 #define _LIFEBOOK_H
 
-#ifdef CONFIG_MOUSE_PS2_LIFEBOOK
-void lifebook_module_init(void);
 int lifebook_detect(struct psmouse *psmouse, bool set_properties);
 int lifebook_init(struct psmouse *psmouse);
+
+#ifdef CONFIG_MOUSE_PS2_LIFEBOOK
+void lifebook_module_init(void);
 #else
 static inline void lifebook_module_init(void)
 {
 }
-static inline int lifebook_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-static inline int lifebook_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
 #endif
 
 #endif
diff --git a/drivers/input/mouse/logips2pp.h b/drivers/input/mouse/logips2pp.h
index 5f9344135f70..df885c4874df 100644
--- a/drivers/input/mouse/logips2pp.h
+++ b/drivers/input/mouse/logips2pp.h
@@ -8,13 +8,6 @@
 #ifndef _LOGIPS2PP_H
 #define _LOGIPS2PP_H
 
-#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
 int ps2pp_detect(struct psmouse *psmouse, bool set_properties);
-#else
-static inline int ps2pp_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_LOGIPS2PP */
 
 #endif
diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h
index dc88a93adf85..02cac0e7ad63 100644
--- a/drivers/input/mouse/sentelic.h
+++ b/drivers/input/mouse/sentelic.h
@@ -106,19 +106,8 @@ struct fsp_data {
 	unsigned int	last_mt_fgr;	/* Last seen finger(multitouch) */
 };
 
-#ifdef CONFIG_MOUSE_PS2_SENTELIC
 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
 extern int fsp_init(struct psmouse *psmouse);
-#else
-static inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-static inline int fsp_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif
 
 #endif	/* __KERNEL__ */
 
diff --git a/drivers/input/mouse/touchkit_ps2.h b/drivers/input/mouse/touchkit_ps2.h
index 5acb76464a5b..c808fe6c782f 100644
--- a/drivers/input/mouse/touchkit_ps2.h
+++ b/drivers/input/mouse/touchkit_ps2.h
@@ -9,14 +9,6 @@
 #ifndef _TOUCHKIT_PS2_H
 #define _TOUCHKIT_PS2_H
 
-#ifdef CONFIG_MOUSE_PS2_TOUCHKIT
 int touchkit_ps2_detect(struct psmouse *psmouse, bool set_properties);
-#else
-static inline int touchkit_ps2_detect(struct psmouse *psmouse,
-				      bool set_properties)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_TOUCHKIT */
 
 #endif
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 77110f3ec21d..5cb93ed26085 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -155,14 +155,6 @@ struct trackpoint_data {
 	bool ext_dev;
 };
 
-#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
 int trackpoint_detect(struct psmouse *psmouse, bool set_properties);
-#else
-static inline int trackpoint_detect(struct psmouse *psmouse,
-				    bool set_properties)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_MOUSE_PS2_TRACKPOINT */
 
 #endif /* _TRACKPOINT_H */
diff --git a/drivers/input/mouse/vmmouse.h b/drivers/input/mouse/vmmouse.h
index 774549a12930..90157aecade7 100644
--- a/drivers/input/mouse/vmmouse.h
+++ b/drivers/input/mouse/vmmouse.h
@@ -8,20 +8,9 @@
 #ifndef _VMMOUSE_H
 #define _VMMOUSE_H
 
-#ifdef CONFIG_MOUSE_PS2_VMMOUSE
 #define VMMOUSE_PSNAME  "VirtualPS/2"
 
 int vmmouse_detect(struct psmouse *psmouse, bool set_properties);
 int vmmouse_init(struct psmouse *psmouse);
-#else
-static inline int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
-{
-	return -ENOSYS;
-}
-static inline int vmmouse_init(struct psmouse *psmouse)
-{
-	return -ENOSYS;
-}
-#endif
 
 #endif