diff --git a/pages/develop/[[...slug]].tsx b/pages/develop/[[...slug]].tsx
index a64ca8c..c3235ba 100644
--- a/pages/develop/[[...slug]].tsx
+++ b/pages/develop/[[...slug]].tsx
@@ -69,13 +69,6 @@ const CompilerSettings = () => {
         >
           -Os
         </Button>
-        <Button
-          css={{ fontFamily: "$monospace" }}
-          outline={snap.compileOptions !== "-Oz"}
-          onClick={() => (state.compileOptions = "-Oz")}
-        >
-          -Oz
-        </Button>
       </ButtonGroup>
     </Flex>
   );
diff --git a/state/index.ts b/state/index.ts
index b54a1da..91039c8 100644
--- a/state/index.ts
+++ b/state/index.ts
@@ -74,7 +74,7 @@ export interface IState {
   mainModalOpen: boolean;
   mainModalShowed: boolean;
   accounts: IAccount[];
-  compileOptions: '-O0' | '-O1' | '-O2' | '-O3' | '-O4' | '-Os' | '-Oz';
+  compileOptions: '-O0' | '-O1' | '-O2' | '-O3' | '-O4' | '-Os';
 }
 
 // let localStorageState: null | string = null;