diff --git a/android-exoplayer/build.gradle b/android-exoplayer/build.gradle
index a957dd62..9aeaa593 100644
--- a/android-exoplayer/build.gradle
+++ b/android-exoplayer/build.gradle
@@ -1,28 +1,17 @@
 apply plugin: 'com.android.library'
 
-def _ext = rootProject.ext
-
-def _reactNativeVersion = _ext.has('reactNative') ? _ext.reactNative : '+'
-def _compileSdkVersion = _ext.has('compileSdkVersion') ? _ext.compileSdkVersion : 27
-def _buildToolsVersion = _ext.has('buildToolsVersion') ? _ext.buildToolsVersion : '27.0.3'
-def _minSdkVersion = _ext.has('minSdkVersion') ? _ext.minSdkVersion : 16
-def _targetSdkVersion = _ext.has('targetSdkVersion') ? _ext.targetSdkVersion : 27
-
 android {
-    compileSdkVersion _compileSdkVersion
-    buildToolsVersion _buildToolsVersion
+    compileSdkVersion 23
+    buildToolsVersion "25.0.2"
 
     defaultConfig {
-        minSdkVersion _minSdkVersion
-        targetSdkVersion _targetSdkVersion
-        versionCode 1
-        versionName "1.0"
+        minSdkVersion 16
+        targetSdkVersion 23
     }
 }
 
 dependencies {
-    //noinspection GradleDynamicVersion
-    provided "com.facebook.react:react-native:${_reactNativeVersion}"
+    provided 'com.facebook.react:react-native:+'
     compile 'com.google.android.exoplayer:exoplayer:2.7.3'
     compile('com.google.android.exoplayer:extension-okhttp:2.7.3') {
         exclude group: 'com.squareup.okhttp3', module: 'okhttp'
diff --git a/android/build.gradle b/android/build.gradle
index 789f4345..922bd9e3 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,20 +1,12 @@
 apply plugin: 'com.android.library'
 
-def _ext = rootProject.ext
-
-def _reactNativeVersion = _ext.has('reactNative') ? _ext.reactNative : '+'
-def _compileSdkVersion = _ext.has('compileSdkVersion') ? _ext.compileSdkVersion : 27
-def _buildToolsVersion = _ext.has('buildToolsVersion') ? _ext.buildToolsVersion : '27.0.3'
-def _minSdkVersion = _ext.has('minSdkVersion') ? _ext.minSdkVersion : 16
-def _targetSdkVersion = _ext.has('targetSdkVersion') ? _ext.targetSdkVersion : 27
-
 android {
-    compileSdkVersion _compileSdkVersion
-    buildToolsVersion _buildToolsVersion
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
 
     defaultConfig {
-        minSdkVersion _minSdkVersion
-        targetSdkVersion _targetSdkVersion
+        minSdkVersion 16
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
         ndk {
@@ -25,6 +17,6 @@ android {
 
 dependencies {
     //noinspection GradleDynamicVersion
-    provided "com.facebook.react:react-native:${_reactNativeVersion}"
+    provided 'com.facebook.react:react-native:+'
     compile 'com.yqritc:android-scalablevideoview:1.0.4'
 }