diff --git a/build.third_step0.gradle b/build.third_step0.gradle
index 4621f51c5..741f21761 100644
--- a/build.third_step0.gradle
+++ b/build.third_step0.gradle
@@ -171,7 +171,9 @@ task unpack(type:Copy) {
 task unpackEssential(type:Copy) {
 	if (project.hasProperty("withCBB")) {
 		for (File file : configurations.essential.files) {
-			from zipTree(file)
+			from (zipTree(file)) {
+				exclude "META-INF/versions/11/*"
+			}
 		}
 		into classesDir
 	}