diff --git a/src/main/java/io/fabric8/maven/docker/AbstractDockerMojo.java b/src/main/java/io/fabric8/maven/docker/AbstractDockerMojo.java
index bec36ffa8..399b35ce3 100644
--- a/src/main/java/io/fabric8/maven/docker/AbstractDockerMojo.java
+++ b/src/main/java/io/fabric8/maven/docker/AbstractDockerMojo.java
@@ -2,7 +2,12 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.util.*;
+import java.util.Date;
+import java.util.Collections;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.Properties;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;