diff --git a/extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java b/extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java
index e75524c1c9..83f46bd488 100644
--- a/extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java
+++ b/extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java
@@ -20,7 +20,6 @@ import android.os.ConditionVariable;
 import android.text.TextUtils;
 import android.util.Log;
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.ExoPlayerFlags;
 import com.google.android.exoplayer2.upstream.DataSourceException;
 import com.google.android.exoplayer2.upstream.DataSpec;
 import com.google.android.exoplayer2.upstream.HttpDataSource;
@@ -207,7 +206,7 @@ public class CronetDataSource extends UrlRequest.Callback implements HttpDataSou
 
   @Override
   public long open(DataSpec dataSpec) throws HttpDataSourceException {
-    Assertions.checkState(!ExoPlayerFlags.REQUIRE_HTTPS || dataSpec.isHttps());
+    Assertions.checkNotNull(dataSpec);
     Assertions.checkState(!opened);
 
     operation.close();
diff --git a/extensions/okhttp/src/main/java/com/google/android/exoplayer2/ext/okhttp/OkHttpDataSource.java b/extensions/okhttp/src/main/java/com/google/android/exoplayer2/ext/okhttp/OkHttpDataSource.java
index 07c607771a..2b6eaa736d 100644
--- a/extensions/okhttp/src/main/java/com/google/android/exoplayer2/ext/okhttp/OkHttpDataSource.java
+++ b/extensions/okhttp/src/main/java/com/google/android/exoplayer2/ext/okhttp/OkHttpDataSource.java
@@ -17,7 +17,6 @@ package com.google.android.exoplayer2.ext.okhttp;
 
 import android.net.Uri;
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.ExoPlayerFlags;
 import com.google.android.exoplayer2.upstream.DataSourceException;
 import com.google.android.exoplayer2.upstream.DataSpec;
 import com.google.android.exoplayer2.upstream.HttpDataSource;
@@ -146,8 +145,6 @@ public class OkHttpDataSource implements HttpDataSource {
 
   @Override
   public long open(DataSpec dataSpec) throws HttpDataSourceException {
-    Assertions.checkState(!ExoPlayerFlags.REQUIRE_HTTPS || dataSpec.isHttps());
-
     this.dataSpec = dataSpec;
     this.bytesRead = 0;
     this.bytesSkipped = 0;
diff --git a/library/src/main/java/com/google/android/exoplayer2/ExoPlayerFlags.java b/library/src/main/java/com/google/android/exoplayer2/ExoPlayerFlags.java
deleted file mode 100644
index 0af9208d59..0000000000
--- a/library/src/main/java/com/google/android/exoplayer2/ExoPlayerFlags.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.google.android.exoplayer2;
-
-/**
- * Global configuration flags. Applications may toggle these flags, but should do so prior to any
- * other use of the library.
- */
-public final class ExoPlayerFlags {
-
-  /**
-   * If set, indicates to {@link com.google.android.exoplayer2.upstream.HttpDataSource}
-   * implementations that they should reject non-HTTPS requests.
-   */
-  public static boolean REQUIRE_HTTPS = false;
-
-  private ExoPlayerFlags() {}
-
-}
diff --git a/library/src/main/java/com/google/android/exoplayer2/upstream/DataSpec.java b/library/src/main/java/com/google/android/exoplayer2/upstream/DataSpec.java
index ced276d7eb..d251446976 100644
--- a/library/src/main/java/com/google/android/exoplayer2/upstream/DataSpec.java
+++ b/library/src/main/java/com/google/android/exoplayer2/upstream/DataSpec.java
@@ -167,13 +167,6 @@ public final class DataSpec {
     this.flags = flags;
   }
 
-  /**
-   * Returns whether the instance defines a HTTPS request.
-   */
-  public boolean isHttps() {
-    return uri != null && "https".equalsIgnoreCase(uri.getScheme());
-  }
-
   @Override
   public String toString() {
     return "DataSpec[" + uri + ", " + Arrays.toString(postBody) + ", " + absoluteStreamPosition
diff --git a/library/src/main/java/com/google/android/exoplayer2/upstream/DefaultHttpDataSource.java b/library/src/main/java/com/google/android/exoplayer2/upstream/DefaultHttpDataSource.java
index 2b3f91c77c..b326c41b18 100644
--- a/library/src/main/java/com/google/android/exoplayer2/upstream/DefaultHttpDataSource.java
+++ b/library/src/main/java/com/google/android/exoplayer2/upstream/DefaultHttpDataSource.java
@@ -19,7 +19,6 @@ import android.net.Uri;
 import android.text.TextUtils;
 import android.util.Log;
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.ExoPlayerFlags;
 import com.google.android.exoplayer2.util.Assertions;
 import com.google.android.exoplayer2.util.Predicate;
 import com.google.android.exoplayer2.util.Util;
@@ -187,8 +186,6 @@ public class DefaultHttpDataSource implements HttpDataSource {
 
   @Override
   public long open(DataSpec dataSpec) throws HttpDataSourceException {
-    Assertions.checkState(!ExoPlayerFlags.REQUIRE_HTTPS || dataSpec.isHttps());
-
     this.dataSpec = dataSpec;
     this.bytesRead = 0;
     this.bytesSkipped = 0;