diff --git a/dlls/dinput/dinput_main.c b/dlls/dinput/dinput_main.c
index 14d5285e00c..18840b2963c 100644
--- a/dlls/dinput/dinput_main.c
+++ b/dlls/dinput/dinput_main.c
@@ -79,10 +79,6 @@ static inline IDirectInputImpl *impl_from_IDirectInput8W( IDirectInput8W *iface
     return CONTAINING_RECORD( iface, IDirectInputImpl, IDirectInput8W_iface );
 }
 
-static inline IDirectInputDeviceImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
-{
-    return CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface);
-}
 static inline IDirectInputDeviceImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
 {
     return CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface);
diff --git a/dlls/dinput/joystick_linux.c b/dlls/dinput/joystick_linux.c
index 4d40124975b..697dded20f9 100644
--- a/dlls/dinput/joystick_linux.c
+++ b/dlls/dinput/joystick_linux.c
@@ -107,10 +107,7 @@ static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W
     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
            JoystickGenericImpl, base), JoystickImpl, generic);
 }
-static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(JoystickImpl *This)
-{
-    return &This->generic.base.IDirectInputDevice8A_iface;
-}
+
 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 {
     return &This->generic.base.IDirectInputDevice8W_iface;
diff --git a/dlls/dinput/joystick_linuxinput.c b/dlls/dinput/joystick_linuxinput.c
index 76adabc2539..4b4d69cfd12 100644
--- a/dlls/dinput/joystick_linuxinput.c
+++ b/dlls/dinput/joystick_linuxinput.c
@@ -143,10 +143,7 @@ static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W
     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
            JoystickGenericImpl, base), JoystickImpl, generic);
 }
-static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(JoystickImpl *This)
-{
-    return &This->generic.base.IDirectInputDevice8A_iface;
-}
+
 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 {
     return &This->generic.base.IDirectInputDevice8W_iface;
diff --git a/dlls/dinput/mouse.c b/dlls/dinput/mouse.c
index 03fc0b025e8..132efce4f5e 100644
--- a/dlls/dinput/mouse.c
+++ b/dlls/dinput/mouse.c
@@ -85,10 +85,7 @@ static inline SysMouseImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W
 {
     return CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface), SysMouseImpl, base);
 }
-static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(SysMouseImpl *This)
-{
-    return &This->base.IDirectInputDevice8A_iface;
-}
+
 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(SysMouseImpl *This)
 {
     return &This->base.IDirectInputDevice8W_iface;