diff --git a/tool/test/org/antlr/v4/test/BaseTest.java b/tool/test/org/antlr/v4/test/BaseTest.java
index 66515e8e9..7944432f3 100644
--- a/tool/test/org/antlr/v4/test/BaseTest.java
+++ b/tool/test/org/antlr/v4/test/BaseTest.java
@@ -73,12 +73,6 @@ import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.ToolProvider;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.tree.ErrorNode;
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.antlr.v4.runtime.tree.ParseTreeListener;
-import org.antlr.v4.runtime.tree.RuleNode;
-import org.antlr.v4.runtime.tree.TerminalNode;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
@@ -912,7 +906,6 @@ public abstract class BaseTest {
 		f.mkdirs();
 	}
 
-
 	protected void writeTestFile(String parserName,
 								 String lexerName,
 								 String parserStartRuleName,