diff --git a/lib/src/test/java/net/fellbaum/jemoji/EmojiManagerTest.java b/lib/src/test/java/net/fellbaum/jemoji/EmojiManagerTest.java
index eaba8b7..1371d5c 100644
--- a/lib/src/test/java/net/fellbaum/jemoji/EmojiManagerTest.java
+++ b/lib/src/test/java/net/fellbaum/jemoji/EmojiManagerTest.java
@@ -2,10 +2,14 @@
 
 import org.junit.Test;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
 import java.util.stream.Collectors;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 public class EmojiManagerTest {