diff --git a/buildSrc/src/main/kotlin/GradleCommon.kt b/buildSrc/src/main/kotlin/GradleCommon.kt
index 1a6e42c4a4a..812e239dd46 100644
--- a/buildSrc/src/main/kotlin/GradleCommon.kt
+++ b/buildSrc/src/main/kotlin/GradleCommon.kt
@@ -104,7 +104,7 @@ fun Project.excludeGradleCommonDependencies(sourceSet: SourceSet) {
     configurations[sourceSet.runtimeOnlyConfigurationName].excludeGradleCommonDependencies()
 }
 
-private val testPlugins = listOf("kotlin-gradle-plugin-api", "android-test-fixes", "gradle-warnings-detector", "kotlin-compiler-args-properties")
+private val testPlugins = setOf("kotlin-gradle-plugin-api", "android-test-fixes", "gradle-warnings-detector", "kotlin-compiler-args-properties")
 
 /**
  * Common sources for all variants.