diff --git a/groupedadapter/build.gradle b/groupedadapter/build.gradle
index e9c35c9..6959e83 100644
--- a/groupedadapter/build.gradle
+++ b/groupedadapter/build.gradle
@@ -27,9 +27,8 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     testImplementation 'junit:junit:4.12'
-    implementation 'com.android.support:appcompat-v7:26.1.0'
 
-    implementation 'com.android.support:recyclerview-v7:26.1.0'
+    compileOnly 'com.android.support:recyclerview-v7:26.1.0'
 }
 
 //---------------------------------------------