diff --git a/gson/src/test/java/org/baeldung/gson/serialization/IgnoringFieldsSerializer.java b/gson/src/test/java/org/baeldung/gson/serialization/IgnoringFieldsSerializer.java
index c8fb95028c..bd1928cb18 100644
--- a/gson/src/test/java/org/baeldung/gson/serialization/IgnoringFieldsSerializer.java
+++ b/gson/src/test/java/org/baeldung/gson/serialization/IgnoringFieldsSerializer.java
@@ -16,5 +16,4 @@ public class IgnoringFieldsSerializer implements JsonSerializer<SourceClass> {
 
         return jObject;
     }
-
 }
diff --git a/gson/src/test/java/org/baeldung/gson/serialization/test/GsonSerializationTest.java b/gson/src/test/java/org/baeldung/gson/serialization/test/GsonSerializationTest.java
index fe19efdb45..3e957ea6f8 100644
--- a/gson/src/test/java/org/baeldung/gson/serialization/test/GsonSerializationTest.java
+++ b/gson/src/test/java/org/baeldung/gson/serialization/test/GsonSerializationTest.java
@@ -33,9 +33,7 @@ public class GsonSerializationTest {
     @Test
     public void givenCollection_whenSerializing_thenCorrect() {
         final Collection<SourceClass> sourceCollection = Lists.newArrayList(new SourceClass(1, "one"), new SourceClass(2, "two"));
-        final Type sourceCollectionType = new TypeToken<Collection<SourceClass>>() {
-        }.getType();
-        final String jsonCollection = new Gson().toJson(sourceCollection, sourceCollectionType);
+        final String jsonCollection = new Gson().toJson(sourceCollection);
 
         final String expectedResult = "[{\"intValue\":1,\"stringValue\":\"one\"},{\"intValue\":2,\"stringValue\":\"two\"}]";
         assertEquals(expectedResult, jsonCollection);
@@ -63,19 +61,6 @@ public class GsonSerializationTest {
         assertEquals(expectedResult, jsonString);
     }
 
-    @Test
-    public void givenDate_whenSerializing_thenCorrect() {
-        final Date sourceDate = new Date(1000000L);
-        final Gson gson = new Gson();
-        final Type sourceDateType = new TypeToken<Date>() {
-        }.getType();
-        String jsonDate = gson.toJson(sourceDate, sourceDateType);
-        
-        System.out.println("jsonDate:\n" + jsonDate);
-        final String expectedResult = "\"Jan 1, 1970 3:16:40 AM\"";
-        assertTrue(jsonDate.equals(expectedResult));
-    }
-
     @Test
     public void givenUsingCustomDeserializer_whenFieldNotMatchesCriteria_thenIgnored() {
         final SourceClass sourceObject = new SourceClass(-1, "minus 1");
@@ -84,10 +69,23 @@ public class GsonSerializationTest {
         final Gson gson = gsonBuildr.create();
         final Type sourceObjectType = new TypeToken<SourceClass>() {
         }.getType();
-        String jsonString = gson.toJson(sourceObject, sourceObjectType);
+        final String jsonString = gson.toJson(sourceObject, sourceObjectType);
 
         final String expectedResult = "{\"stringValue\":\"minus 1\"}";
         assertEquals(expectedResult, jsonString);
     }
 
+    @Test
+    public void givenDate_whenSerializing_thenCorrect() {
+        final Date sourceDate = new Date(1000000L);
+        final Gson gson = new Gson();
+        final Type sourceDateType = new TypeToken<Date>() {
+        }.getType();
+        final String jsonDate = gson.toJson(sourceDate, sourceDateType);
+
+        System.out.println("jsonDate:\n" + jsonDate);
+        final String expectedResult = "\"Jan 1, 1970 3:16:40 AM\"";
+        assertTrue(jsonDate.equals(expectedResult));
+    }
+
 }
\ No newline at end of file
diff --git a/jackson/src/test/java/org/baeldung/gson/GenericSourceClass.java b/jackson/src/test/java/org/baeldung/gson/GenericSourceClass.java
deleted file mode 100644
index 8e3a8d749b..0000000000
--- a/jackson/src/test/java/org/baeldung/gson/GenericSourceClass.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.baeldung.gson;
-
-public class GenericSourceClass {
-    int intField;
-
-    public GenericSourceClass(final int i) {
-        intField = i;
-    }
-
-}
\ No newline at end of file
diff --git a/jackson/src/test/java/org/baeldung/gson/GsonDeserializationUnitTest.java b/jackson/src/test/java/org/baeldung/gson/GsonDeserializationUnitTest.java
deleted file mode 100644
index dabc861ce1..0000000000
--- a/jackson/src/test/java/org/baeldung/gson/GsonDeserializationUnitTest.java
+++ /dev/null
@@ -1,32 +0,0 @@
-package org.baeldung.gson;
-
-import org.junit.Before;
-import org.junit.Test;
-
-import com.google.gson.Gson;
-import com.google.gson.reflect.TypeToken;
-
-public class GsonDeserializationUnitTest {
-
-    private Gson gson;
-
-    @Before
-    public final void before() {
-        gson = new Gson();
-    }
-
-    // tests
-
-    @Test
-    public void givenUsingGson_whenDeserializingGeneric_thenCorrect() {
-        final java.lang.reflect.Type genericSourceClassType = new TypeToken<GenericSourceClass>() {
-        }.getType();
-        final GenericSourceClass sourceObject = new GenericSourceClass(1);
-        final String serializedSourceObject = gson.toJson(sourceObject, genericSourceClassType);
-
-        final GenericSourceClass targetObject = gson.fromJson(serializedSourceObject, genericSourceClassType);
-
-        System.out.println(targetObject);
-    }
-
-}