diff --git a/__mocks__/wasmMock.js b/__mocks__/wasmMock.js
deleted file mode 100644
index a149b43c..00000000
--- a/__mocks__/wasmMock.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = "wasm-file-stub";
diff --git a/package.json b/package.json
index f427e5b4..76576363 100644
--- a/package.json
+++ b/package.json
@@ -215,7 +215,6 @@
       "<rootDir>/node_modules/matrix-react-sdk/test/setupTests.js"
     ],
     "moduleNameMapper": {
-      "\\.wasm$": "<rootDir>/__mocks__/wasmMock.js",
       "\\.(css|scss)$": "<rootDir>/__mocks__/cssMock.js",
       "\\.(gif|png|svg|ttf|woff2)$": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/imageMock.js",
       "\\$webapp/i18n/languages.json": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/languages.json",