diff --git a/dist/index.js b/dist/index.js
index c5d7a65..6d3f838 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -8733,7 +8733,6 @@ async function cabalConfig() {
             await core.group('Setting up cabal', async () => {
                 await exec_1.exec('cabal', ['user-config', 'update'], { silent: true });
                 const configFile = await cabalConfig();
-                fs.appendFileSync(configFile, 'http-transport: plain-http\n');
                 if (process.platform === 'win32') {
                     fs.appendFileSync(configFile, 'store-dir: C:\\sr\n');
                     core.setOutput('cabal-store', 'C:\\sr');
diff --git a/src/setup-haskell.ts b/src/setup-haskell.ts
index 815e7cb..591ae58 100644
--- a/src/setup-haskell.ts
+++ b/src/setup-haskell.ts
@@ -34,7 +34,6 @@ async function cabalConfig(): Promise<string> {
       await core.group('Setting up cabal', async () => {
         await exec('cabal', ['user-config', 'update'], {silent: true});
         const configFile = await cabalConfig();
-        fs.appendFileSync(configFile, 'http-transport: plain-http\n');
 
         if (process.platform === 'win32') {
           fs.appendFileSync(configFile, 'store-dir: C:\\sr\n');