diff --git a/util/src/main/java/com/google/cloud/hadoop/util/HttpTransportFactory.java b/util/src/main/java/com/google/cloud/hadoop/util/HttpTransportFactory.java
index cf7bee6d8..a57f9c996 100644
--- a/util/src/main/java/com/google/cloud/hadoop/util/HttpTransportFactory.java
+++ b/util/src/main/java/com/google/cloud/hadoop/util/HttpTransportFactory.java
@@ -167,7 +167,7 @@ static NetHttpTransport.Builder createNetHttpTransportBuilder(
       @Nullable URI proxyUri, @Nullable Duration readTimeout)
       throws IOException, GeneralSecurityException {
     NetHttpTransport.Builder builder =
-        new NetHttpTransport.Builder().trustCertificates(GoogleUtils.getCertificateTrustStore());
+        new NetHttpTransport.Builder();
     SSLSocketFactory wrappedSslSocketFactory =
         requireNonNullElseGet(
             builder.getSslSocketFactory(), HttpsURLConnection::getDefaultSSLSocketFactory);