1 files changed, 0 insertions, 15 deletions
diff --git a/packages/frontend/src/scripts/upload/isWebpSupported.ts b/packages/frontend/src/scripts/upload/isWebpSupported.ts
deleted file mode 100644
index 2511236ecc..0000000000
--- a/packages/frontend/src/scripts/upload/isWebpSupported.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-let isWebpSupportedCache: boolean | undefined;
-export function isWebpSupported() {
-	if (isWebpSupportedCache === undefined) {
-		const canvas = document.createElement('canvas');
-		canvas.width = 1;
-		canvas.height = 1;
-		isWebpSupportedCache = canvas.toDataURL('image/webp').startsWith('data:image/webp');
-	}
-	return isWebpSupportedCache;
-}