diff --git a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/HayesVisitorTest.java b/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/HayesVisitorTest.java
deleted file mode 100644
index 96244f879..000000000
--- a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/HayesVisitorTest.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * The MIT License
- * Copyright (c) 2014-2016 Ilkka Seppälä
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.iluwatar.acyclicvisitor;
-
-/**
- * HayesVisitor test class
- */
-public interface HayesVisitorTest {
-
-}
\ No newline at end of file
diff --git a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemTest.java b/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemTest.java
deleted file mode 100644
index 0f7d3d629..000000000
--- a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemTest.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * The MIT License
- * Copyright (c) 2014-2016 Ilkka Seppälä
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.iluwatar.acyclicvisitor;
-
-/**
- * Modem test class
- */
-public abstract class ModemTest {
-
-}
diff --git a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemVisitorTest.java b/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemVisitorTest.java
deleted file mode 100644
index 681925f05..000000000
--- a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ModemVisitorTest.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * The MIT License
- * Copyright (c) 2014-2016 Ilkka Seppälä
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.iluwatar.acyclicvisitor;
-
-/**
- * ModemVisitor test class
- */
-public interface ModemVisitorTest {
-
-}
diff --git a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ZoomVisitorTest.java b/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ZoomVisitorTest.java
deleted file mode 100644
index 88aab9636..000000000
--- a/acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ZoomVisitorTest.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * The MIT License
- * Copyright (c) 2014-2016 Ilkka Seppälä
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.iluwatar.acyclicvisitor;
-
-/**
- * ZoomVisitor test class
- */
-public interface ZoomVisitorTest {
-
-}