diff --git a/apps/frontend/src/app/atoms/client.ts b/apps/frontend/src/app/atoms/client.ts
index 791bf55..dc08174 100644
--- a/apps/frontend/src/app/atoms/client.ts
+++ b/apps/frontend/src/app/atoms/client.ts
@@ -84,6 +84,7 @@ export const eventStreamAtom = atom(
           Accept: "text/event-stream",
         },
         signal: newController.signal,
+        mode: "no-cors",
       });
 
       if (!response.ok) {
diff --git a/apps/frontend/src/app/routes/mock.tsx b/apps/frontend/src/app/routes/mock.tsx
index 07b8584..d961841 100644
--- a/apps/frontend/src/app/routes/mock.tsx
+++ b/apps/frontend/src/app/routes/mock.tsx
@@ -76,6 +76,7 @@ export default function Page() {
             headers: {
               "Content-Type": "application/json",
             },
+            mode: "no-cors",
             body: JSON.stringify({
               widthRandom: randomWidth,
               heightRandom: randomHeight,
diff --git a/apps/solver/src/features/ui-comm/index.ts b/apps/solver/src/features/ui-comm/index.ts
index e651c4b..230eb16 100644
--- a/apps/solver/src/features/ui-comm/index.ts
+++ b/apps/solver/src/features/ui-comm/index.ts
@@ -26,13 +26,7 @@ app.use(
 
 app.use(
   cors({
-    origin: (origin) => {
-      if (isDevelopment) {
-        return origin;
-      }
-
-      return origin.endsWith("data-maki.pages.dev") ? origin : "";
-    },
+    origin: (origin) => origin,
   }),
 );
 
diff --git a/bun.lockb b/bun.lockb
index 55fd17e..b88fbd7 100755
Binary files a/bun.lockb and b/bun.lockb differ