diff --git a/speech-dispatcher.patch b/speech-dispatcher.patch
deleted file mode 100644
index 65ebeab..0000000
--- a/speech-dispatcher.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git src/lib.rs src/lib.rs
-index 26ba271..180513e 100644
---- src/lib.rs
-+++ src/lib.rs
-@@ -127,7 +127,7 @@ unsafe extern "C" fn cb(msg_id: u64, client_id: u64, state: u32) {
-     }
- }
- 
--unsafe extern "C" fn cb_im(msg_id: u64, client_id: u64, state: u32, index_mark: *mut i8) {
-+unsafe extern "C" fn cb_im(msg_id: u64, client_id: u64, state: u32, index_mark: *mut u8) {
-     let index_mark = CStr::from_ptr(index_mark);
-     let index_mark = index_mark.to_string_lossy().to_string();
-     let state = match state {
-@@ -325,7 +325,7 @@ impl Connection {
-         i32_to_bool(v)
-     }
- 
--    pub fn wchar(&self, priority: Priority, wchar: i32) -> bool {
-+    pub fn wchar(&self, priority: Priority, wchar: u32) -> bool {
-         let v = unsafe { spd_wchar(self.0, priority as u32, wchar) };
-         i32_to_bool(v)
-     }