diff --git a/cli/src/test/java/de/jplag/cli/DebugTest.java b/cli/src/test/java/de/jplag/cli/DebugTest.java
index 36b1ea19a..a6f22f74c 100644
--- a/cli/src/test/java/de/jplag/cli/DebugTest.java
+++ b/cli/src/test/java/de/jplag/cli/DebugTest.java
@@ -12,7 +12,7 @@
 import de.jplag.exceptions.ExitException;
 import de.jplag.options.JPlagOptions;
 
-public class DebugTest extends CliTest {
+class DebugTest extends CliTest {
     @Test
     void testDefaultDebug() throws IOException, ExitException {
         JPlagOptions options = runCliForOptions();
diff --git a/cli/src/test/java/de/jplag/cli/ExcludeFileTest.java b/cli/src/test/java/de/jplag/cli/ExcludeFileTest.java
index 3f9b0230a..e2cb11669 100644
--- a/cli/src/test/java/de/jplag/cli/ExcludeFileTest.java
+++ b/cli/src/test/java/de/jplag/cli/ExcludeFileTest.java
@@ -12,7 +12,7 @@
 import de.jplag.exceptions.ExitException;
 import de.jplag.options.JPlagOptions;
 
-public class ExcludeFileTest extends CliTest {
+class ExcludeFileTest extends CliTest {
     private static final String EXCLUDE_FILE_NAME = "exclusions";
 
     @Test
diff --git a/cli/src/test/java/de/jplag/cli/LogLevelTest.java b/cli/src/test/java/de/jplag/cli/LogLevelTest.java
index 5cde8e940..9994de5fa 100644
--- a/cli/src/test/java/de/jplag/cli/LogLevelTest.java
+++ b/cli/src/test/java/de/jplag/cli/LogLevelTest.java
@@ -11,7 +11,7 @@
 import de.jplag.cli.test.CliTest;
 import de.jplag.exceptions.ExitException;
 
-public class LogLevelTest extends CliTest {
+class LogLevelTest extends CliTest {
     private static final Level DEFAULT_LOG_LEVEL = Level.INFO;
 
     @Test
diff --git a/cli/src/test/java/de/jplag/cli/ResultFileTest.java b/cli/src/test/java/de/jplag/cli/ResultFileTest.java
index a96117f23..888d166fd 100644
--- a/cli/src/test/java/de/jplag/cli/ResultFileTest.java
+++ b/cli/src/test/java/de/jplag/cli/ResultFileTest.java
@@ -12,7 +12,7 @@
 import de.jplag.cli.test.CliTest;
 import de.jplag.exceptions.ExitException;
 
-public class ResultFileTest extends CliTest {
+class ResultFileTest extends CliTest {
     private static final String DEFAULT_RESULT_FILE = "results.zip";
     private static final String TEST_RESULT_FILE = "customResults.zip";
     private static final String TEST_RESULT_FILE_WITH_AVOIDANCE = "customResults(1).zip";
diff --git a/cli/src/test/java/de/jplag/cli/SubdirectoryTest.java b/cli/src/test/java/de/jplag/cli/SubdirectoryTest.java
index a19f5434f..e2d319551 100644
--- a/cli/src/test/java/de/jplag/cli/SubdirectoryTest.java
+++ b/cli/src/test/java/de/jplag/cli/SubdirectoryTest.java
@@ -12,7 +12,7 @@
 import de.jplag.exceptions.ExitException;
 import de.jplag.options.JPlagOptions;
 
-public class SubdirectoryTest extends CliTest {
+class SubdirectoryTest extends CliTest {
     private static final String TEST_SUBDIRECTORY = "dir";
 
     @Test
diff --git a/cli/src/test/java/de/jplag/cli/SuffixesTest.java b/cli/src/test/java/de/jplag/cli/SuffixesTest.java
index aede36a95..ab095224b 100644
--- a/cli/src/test/java/de/jplag/cli/SuffixesTest.java
+++ b/cli/src/test/java/de/jplag/cli/SuffixesTest.java
@@ -12,7 +12,7 @@
 import de.jplag.exceptions.ExitException;
 import de.jplag.options.JPlagOptions;
 
-public class SuffixesTest extends CliTest {
+class SuffixesTest extends CliTest {
     private static final List<String> JAVA_SUFFIXES = List.of(".java", ".JAVA");
     private static final List<String> CUSTOM_SUFFIXES = List.of(".j", ".jva");