minor change

tronprotocol · Jun 20, 2018 · 5718fdc · 5718fdc
1 parent e02ed09
commit 5718fdc
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/main/java/org/tron/core/witness/WitnessController.java b/src/main/java/org/tron/core/witness/WitnessController.java
@@ -8,7 +8,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Optional;
 import java.util.Set;
 import lombok.Getter;
 import lombok.Setter;