diff --git a/mod.SDL.ts b/mod.SDL.ts
index 1954d5d..37eaa03 100644
--- a/mod.SDL.ts
+++ b/mod.SDL.ts
@@ -6,4 +6,5 @@ export * from "./src/SDL/events.ts";
 export * from "./src/SDL/functionMacros.ts";
 export * from "./src/SDL/functions.ts";
 export * from "./src/SDL/pixels.ts";
+export * from "./src/SDL/rw.ts";
 export * from "./src/SDL/structs.ts";
diff --git a/src/SDL/functions.ts b/src/SDL/functions.ts
index ebcc83f..831b10c 100644
--- a/src/SDL/functions.ts
+++ b/src/SDL/functions.ts
@@ -58,7 +58,7 @@ import {
 
 import { AudioDeviceID } from "./audio.ts";
 import { Event } from "./events.ts";
-import { RWMode /*, TimerID */ } from "./types.ts";
+import { RWMode } from "./rw.ts";
 
 let _library: DynamicLibrary<typeof symbols> = null!;
 
diff --git a/src/SDL/types.ts b/src/SDL/rw.ts
similarity index 60%
rename from src/SDL/types.ts
rename to src/SDL/rw.ts
index 558a558..8153b46 100644
--- a/src/SDL/types.ts
+++ b/src/SDL/rw.ts
@@ -1,5 +1,3 @@
-import { u16 } from "../types.ts";
-
 export type RWMode =
   | "a"
   | "a+"
@@ -12,6 +10,4 @@ export type RWMode =
   | "rb"
   | "rb+"
   | "wb"
-  | "wb+";
-
-// export type TimerID = int;
+  | "wb+";
\ No newline at end of file
diff --git a/tools/codegen/SDL.ts b/tools/codegen/SDL.ts
index a40ac71..cce3f93 100644
--- a/tools/codegen/SDL.ts
+++ b/tools/codegen/SDL.ts
@@ -19,11 +19,45 @@ const SDL_SRC_PATH = path.join(SRC_PATH, "SDL");
 
 export async function codegenSDL(): Promise<void> {
   await writeEnums(`${SDL_SRC_PATH}/enums.ts`, enums, []);
-  await writeEvents(`${SDL_SRC_PATH}/events.ts`, events, callbacks, enums, structs, opaqueStructs);
-  await writeStructs(`${SDL_SRC_PATH}/structs.ts`, callbacks, enums, structs, opaqueStructs);
-  await writeSymbols(`${SDL_SRC_PATH}/_symbols.ts`, functions, callbacks, enums, structs, opaqueStructs);
-  await writeCallbacksSymbols(`${SDL_SRC_PATH}/_callbacks.ts`, callbacks, enums, structs, opaqueStructs, []);
-  await writeCallbacks(`${SDL_SRC_PATH}/callbacks.ts`, callbacks, enums, structs, opaqueStructs, []);
+  await writeEvents(
+    `${SDL_SRC_PATH}/events.ts`,
+    events,
+    callbacks,
+    enums,
+    structs,
+    opaqueStructs
+  );
+  await writeStructs(
+    `${SDL_SRC_PATH}/structs.ts`,
+    callbacks,
+    enums,
+    structs,
+    opaqueStructs
+  );
+  await writeSymbols(
+    `${SDL_SRC_PATH}/_symbols.ts`,
+    functions,
+    callbacks,
+    enums,
+    structs,
+    opaqueStructs
+  );
+  await writeCallbacksSymbols(
+    `${SDL_SRC_PATH}/_callbacks.ts`,
+    callbacks,
+    enums,
+    structs,
+    opaqueStructs,
+    []
+  );
+  await writeCallbacks(
+    `${SDL_SRC_PATH}/callbacks.ts`,
+    callbacks,
+    enums,
+    structs,
+    opaqueStructs,
+    []
+  );
   await writeFunctions(
     `${SDL_SRC_PATH}/functions.ts`,
     "SDL2",
@@ -35,7 +69,7 @@ export async function codegenSDL(): Promise<void> {
     [
       `import { AudioDeviceID } from "./audio.ts"`,
       `import { Event } from "./events.ts";`,
-      `import { RWMode /*, TimerID */ } from "./types.ts";`,
-    ],
+      `import { RWMode } from "./rw.ts";`,
+    ]
   );
 }