diff --git a/build.gradle.kts b/build.gradle.kts
index f13e7b8..e7788e4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -35,7 +35,7 @@ object Extras {
     // set for the project
     const val description = "Gradle Plugin to manage various Gradle tasks, such as updating gradle and dependencies"
     const val group = "com.dorkbox"
-    const val version = "1.5.3"
+    const val version = "1.6"
 
     // set as project.ext
     const val name = "Gradle Utils"
diff --git a/src/dorkbox/gradle/GradleUtils.kt b/src/dorkbox/gradle/GradleUtils.kt
index e3a06b5..c6872f6 100644
--- a/src/dorkbox/gradle/GradleUtils.kt
+++ b/src/dorkbox/gradle/GradleUtils.kt
@@ -80,6 +80,3 @@ val SourceSet.kotlin: SourceDirectorySet
 fun SourceSet.kotlin(action: SourceDirectorySet.() -> Unit) =
         kotlin.action()
 
-val Project.sourceSetsMap: SortedMap<String, SourceSet>
-    get() = (this.extensions.getByName("sourceSets") as org.gradle.api.tasks.SourceSetContainer).asMap
-