diff --git a/core/pom.xml b/core/pom.xml
index 537b053..62c38e2 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easyconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
diff --git a/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSection.java b/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSection.java
index b232232..a12ded5 100644
--- a/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSection.java
+++ b/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSection.java
@@ -8,6 +8,7 @@ import org.jetbrains.annotations.UnmodifiableView;
 
 import java.util.*;
 import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
@@ -30,6 +31,24 @@ public interface ConfigureSection {
     @Contract(pure = true)
     @Nullable ConfigureSection parent();
 
+    /**
+     * Get the current section's path from {@link #parent()} of this section.
+     *
+     * @return The current path of this section, if {@link #isRoot()}, return empty string.
+     */
+    @NotNull String path();
+
+    /**
+     * Get the full path of this section.
+     *
+     * @return The full path of this section, if {@link #isRoot()}, return empty string.
+     */
+    default @NotNull String fullPath() {
+        if (parent() == null) return "";
+        return (parent().isRoot() ? "" : parent().fullPath() + pathSeparator()) + path();
+    }
+
+
     /**
      * Get the path separator for the section.
      *
@@ -44,6 +63,7 @@ public interface ConfigureSection {
      *
      * @return True if this section is a root section, false otherwise.
      */
+    @Contract(pure = true)
     default boolean isRoot() {
         return parent() == null;
     }
@@ -57,6 +77,15 @@ public interface ConfigureSection {
         return getValues(false).isEmpty();
     }
 
+    /**
+     * Gets the number of keys in this section.
+     *
+     * @return Number of keys in this section.
+     */
+    default int size(boolean deep) {
+        return getKeys(deep).size();
+    }
+
     /**
      * Gets a set containing all keys in this section.
      * <p>
@@ -238,11 +267,39 @@ public interface ConfigureSection {
     /**
      * Creates a new {@link ConfigureSection} with specified values.
      * <p> The {@link #parent()} of the new section will be this section.
+     * <p> This section will not be saved until {@link #set(String, Object)} is called.
+     * <p> If you want to create and use a section and set it to this section, use {@link #computeSection(String)}.
      *
      * @param data The data to be used to create section.
      * @return Newly created section
      */
-    @NotNull ConfigureSection createSection(@NotNull Map<?, ?> data);
+    @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data);
+
+    /**
+     * Creates a new {@link ConfigureSection} with specified values.
+     * <p> The {@link #parent()} of the new section will be this section.
+     *
+     * @param data The data to be used to create section.
+     * @return Newly created section
+     */
+    default @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Consumer<Map<String, Object>> data) {
+        return createSection(path, () -> {
+            Map<String, Object> map = new LinkedHashMap<>();
+            data.accept(map);
+            return map;
+        });
+    }
+
+    /**
+     * Creates a new {@link ConfigureSection} with specified values.
+     * <p> The {@link #parent()} of the new section will be this section.
+     *
+     * @param data The data to be used to create section.
+     * @return Newly created section
+     */
+    default @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Supplier<Map<String, Object>> data) {
+        return createSection(path, data.get());
+    }
 
     /**
      * Creates a new empty {@link ConfigureSection}.
@@ -250,8 +307,8 @@ public interface ConfigureSection {
      *
      * @return Newly created section
      */
-    default @NotNull ConfigureSection createSection() {
-        return createSection(new LinkedHashMap<>());
+    default @NotNull ConfigureSection createSection(@NotNull String path) {
+        return createSection(path, new LinkedHashMap<>());
     }
 
     /**
@@ -262,17 +319,64 @@ public interface ConfigureSection {
      *
      * @param path The path to get the section from.
      * @return The section at the path, or a new section if it does not exist.
-     * @see #createSection()
+     * @see #createSection(String, Map)
      */
     default @NotNull ConfigureSection computeSection(@NotNull String path) {
+        return computeSection(path, new LinkedHashMap<>());
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Map<?, ?> data) {
         ConfigureSection current = getSection(path);
         if (current == null) {
-            current = createSection();
+            current = createSection(path, data);
             set(path, current);
         }
         return current;
     }
 
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Consumer<Map<String, Object>> data) {
+        return computeSection(path, () -> {
+            Map<String, Object> map = new LinkedHashMap<>();
+            data.accept(map);
+            return map;
+        });
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Supplier<Map<String, Object>> data) {
+        return computeSection(path, data.get());
+    }
+
+
     /**
      * Get the origin value of the path.
      *
diff --git a/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSource.java b/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSource.java
index 9260d07..202249d 100644
--- a/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSource.java
+++ b/core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSource.java
@@ -92,6 +92,11 @@ public abstract class ConfigureSource<
         return null;
     }
 
+    @Override
+    public @NotNull String path() {
+        return "";
+    }
+
     @Override
     public @NotNull Map<String, Object> getValues(boolean deep) {
         return section().getValues(deep);
@@ -103,8 +108,8 @@ public abstract class ConfigureSource<
     }
 
     @Override
-    public @NotNull ConfigureSection createSection(@NotNull Map<?, ?> data) {
-        return section().createSection(data);
+    public @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return section().createSection(path, data);
     }
 
     @Override
diff --git a/demo/pom.xml b/demo/pom.xml
index 637e43a..bc89f7d 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easyconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
diff --git a/demo/src/main/java/cc/carm/lib/configuration/demo/tests/model/UserRecord.java b/demo/src/main/java/cc/carm/lib/configuration/demo/tests/model/UserRecord.java
index f14240a..b8b0273 100644
--- a/demo/src/main/java/cc/carm/lib/configuration/demo/tests/model/UserRecord.java
+++ b/demo/src/main/java/cc/carm/lib/configuration/demo/tests/model/UserRecord.java
@@ -36,6 +36,7 @@ public class UserRecord extends AbstractRecord {
     }
 
     public static UserRecord deserialize(ConfigureSection section) {
+        System.out.println(">  Deserializing  -> " + section.fullPath());
         String name = section.getString("name");
         if (name == null) throw new NullPointerException("name is null");
         String uuidString = section.getString("info.uuid");
diff --git a/features/commentable/pom.xml b/features/commentable/pom.xml
index 502a014..83bdddc 100644
--- a/features/commentable/pom.xml
+++ b/features/commentable/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
diff --git a/features/file/pom.xml b/features/file/pom.xml
index b88c2a1..e899f77 100644
--- a/features/file/pom.xml
+++ b/features/file/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
diff --git a/features/section/pom.xml b/features/section/pom.xml
index 07187b9..79f4e45 100644
--- a/features/section/pom.xml
+++ b/features/section/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
diff --git a/features/section/src/main/java/cc/carm/lib/configuration/source/section/AbstractMapSection.java b/features/section/src/main/java/cc/carm/lib/configuration/source/section/AbstractMapSection.java
index e52b929..63a9083 100644
--- a/features/section/src/main/java/cc/carm/lib/configuration/source/section/AbstractMapSection.java
+++ b/features/section/src/main/java/cc/carm/lib/configuration/source/section/AbstractMapSection.java
@@ -10,9 +10,11 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
 
     protected final @NotNull Map<String, Object> data;
     protected final @Nullable R parent;
+    protected final @NotNull String path;
 
-    protected AbstractMapSection(@Nullable R parent) {
+    protected AbstractMapSection(@Nullable R parent, @NotNull String path) {
         this.parent = parent;
+        this.path = path;
         this.data = new LinkedHashMap<>();
     }
 
@@ -20,15 +22,17 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
         for (Map.Entry<?, ?> entry : data.entrySet()) {
             String key = (entry.getKey() == null) ? "" : entry.getKey().toString();
             if (entry.getValue() instanceof Map) {
-                this.data.put(key, createSection((Map<?, ?>) entry.getValue()));
+                this.data.put(key, createSection(key, (Map<?, ?>) entry.getValue()));
             } else if (entry.getValue() instanceof List) {
                 List<Object> list = new ArrayList<>();
+                int index = 0;
                 for (Object obj : (List<?>) entry.getValue()) {
                     if (obj instanceof Map) {
-                        list.add(createSection((Map<?, ?>) obj));
+                        list.add(createSection(key + "[" + index + "]", (Map<?, ?>) obj));
                     } else {
                         list.add(obj);
                     }
+                    index++;
                 }
                 this.data.put(key, list);
             } else {
@@ -40,11 +44,11 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
     public abstract @NotNull R self();
 
     @Override
-    public abstract @NotNull R createSection(@NotNull Map<?, ?> data);
+    public abstract @NotNull R createSection(@NotNull String path, @NotNull Map<?, ?> data);
 
     @Override
-    public @NotNull R createSection() {
-        return createSection(new LinkedHashMap<>());
+    public @NotNull String path() {
+        return this.path;
     }
 
     @Override
@@ -63,7 +67,12 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
 
     @Override
     public boolean isEmpty() {
-        return data.isEmpty();
+        return this.data.isEmpty();
+    }
+
+    @Override
+    public int size(boolean deep) {
+        return deep ? getKeys(true).size() : this.data.size();
     }
 
     @UnmodifiableView
@@ -86,12 +95,12 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
 
     @Override
     public @NotNull Map<String, Object> getValues(boolean deep) {
-        return Collections.unmodifiableMap(deep ? mappingValues(this, null, true) : data());
+        return Collections.unmodifiableMap(deep ? mappingValues(this, null, true, String.valueOf(pathSeparator())) : data());
     }
 
     @Override
     public void set(@NotNull String path, @Nullable Object value) {
-        if (value instanceof Map) value = createSection((Map<?, ?>) value);
+        if (value instanceof Map) value = createSection(path, (Map<?, ?>) value);
 
         R section = getSectionFor(path);
         if (section == this) {
@@ -125,7 +134,7 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
         if (index == -1) return self();
 
         String root = path.substring(0, index);
-        return (R) data().computeIfAbsent(root, k -> createSection());
+        return (R) computeSection(root);
     }
 
     /**
@@ -135,14 +144,14 @@ public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implem
      * @param parent  The parent path
      * @param deep    If the mapping should be deep
      */
-    protected Map<String, Object> mappingValues(@NotNull AbstractMapSection<?> section, @Nullable String parent, boolean deep) {
+    protected static Map<String, Object> mappingValues(@NotNull AbstractMapSection<?> section, @Nullable String parent, boolean deep, String pathSeparator) {
         Map<String, Object> output = new LinkedHashMap<>();
         for (Map.Entry<String, Object> entry : section.data().entrySet()) {
-            String path = (parent == null ? "" : parent + pathSeparator()) + entry.getKey();
+            String path = (parent == null ? "" : parent + pathSeparator) + entry.getKey();
             output.remove(path);
             output.put(path, entry.getValue());
             if (deep && entry.getValue() instanceof AbstractMapSection<?>) {
-                output.putAll(mappingValues((AbstractMapSection<?>) entry.getValue(), path, true));
+                output.putAll(mappingValues((AbstractMapSection<?>) entry.getValue(), path, true, pathSeparator));
             }
         }
         return output;
diff --git a/features/section/src/main/java/cc/carm/lib/configuration/source/section/ImmutableSection.java b/features/section/src/main/java/cc/carm/lib/configuration/source/section/ImmutableSection.java
index 10274c5..2d87dfd 100644
--- a/features/section/src/main/java/cc/carm/lib/configuration/source/section/ImmutableSection.java
+++ b/features/section/src/main/java/cc/carm/lib/configuration/source/section/ImmutableSection.java
@@ -32,6 +32,11 @@ public class ImmutableSection implements ConfigureSection {
         return this.parent;
     }
 
+    @Override
+    public @NotNull String path() {
+        return section().path();
+    }
+
     private @NotNull ConfigureSection section() {
         return section;
     }
@@ -52,8 +57,8 @@ public class ImmutableSection implements ConfigureSection {
     }
 
     @Override
-    public @NotNull ConfigureSection createSection(@NotNull Map<?, ?> data) {
-        return new ImmutableSection(this, section().createSection(data));
+    public @NotNull ImmutableSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new ImmutableSection(this, section().createSection(path, data));
     }
 
     @Override
diff --git a/features/section/src/main/java/cc/carm/lib/configuration/source/section/MemorySection.java b/features/section/src/main/java/cc/carm/lib/configuration/source/section/MemorySection.java
index 1dfddfe..c5b495f 100644
--- a/features/section/src/main/java/cc/carm/lib/configuration/source/section/MemorySection.java
+++ b/features/section/src/main/java/cc/carm/lib/configuration/source/section/MemorySection.java
@@ -11,7 +11,7 @@ import java.util.function.Supplier;
 public class MemorySection extends AbstractMapSection<MemorySection> {
 
     public static MemorySection of() {
-        return of((MemorySection) null);
+        return of(new LinkedHashMap<>());
     }
 
     public static MemorySection of(@NotNull Consumer<Map<String, Object>> data) {
@@ -23,23 +23,23 @@ public class MemorySection extends AbstractMapSection<MemorySection> {
     }
 
     public static MemorySection of(@NotNull Supplier<Map<?, ?>> data) {
-        return of(data.get(), null);
+        return of(data.get());
     }
 
     public static MemorySection of(@NotNull Map<?, ?> data) {
-        return of(data, null);
+        return of(data, null, "");
     }
 
-    public static MemorySection of(@Nullable MemorySection parent) {
-        return of(new LinkedHashMap<>(), parent);
+    public static MemorySection of(@Nullable MemorySection parent, @NotNull String path) {
+        return of(new LinkedHashMap<>(), parent, path);
     }
 
-    public static MemorySection of(@NotNull Map<?, ?> data, @Nullable MemorySection parent) {
-        return new MemorySection(data, parent);
+    public static MemorySection of(@NotNull Map<?, ?> data, @Nullable MemorySection parent, @NotNull String path) {
+        return new MemorySection(data, parent, path);
     }
 
-    public MemorySection(@NotNull Map<?, ?> raw, @Nullable MemorySection parent) {
-        super(parent);
+    public MemorySection(@NotNull Map<?, ?> raw, @Nullable MemorySection parent, @NotNull String path) {
+        super(parent, path);
         migrate(raw);
     }
 
@@ -49,8 +49,8 @@ public class MemorySection extends AbstractMapSection<MemorySection> {
     }
 
     @Override
-    public @NotNull MemorySection createSection(@NotNull Map<?, ?> data) {
-        return new MemorySection(data, this);
+    public @NotNull MemorySection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new MemorySection(data, this, path);
     }
 
 }
diff --git a/features/section/src/main/java/cc/carm/lib/configuration/source/section/ShadedSection.java b/features/section/src/main/java/cc/carm/lib/configuration/source/section/ShadedSection.java
index fc5d3aa..6141483 100644
--- a/features/section/src/main/java/cc/carm/lib/configuration/source/section/ShadedSection.java
+++ b/features/section/src/main/java/cc/carm/lib/configuration/source/section/ShadedSection.java
@@ -28,6 +28,11 @@ public class ShadedSection implements ConfigureSection {
         return this.parent;
     }
 
+    @Override
+    public @NotNull String path() {
+        return this.template.path();
+    }
+
     @Override
     public @NotNull @UnmodifiableView Map<String, Object> getValues(boolean deep) {
         if (source == null) return template.getValues(deep);
@@ -95,11 +100,11 @@ public class ShadedSection implements ConfigureSection {
     }
 
     @Override
-    public @NotNull ConfigureSection createSection(@NotNull Map<?, ?> data) {
+    public @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
         if (source == null) {
             return new ShadedSection(this, template, MemorySection.of(data));
         } else {
-            ConfigureSection section = source.createSection(data);
+            ConfigureSection section = source.computeSection(path, data);
             return new ShadedSection(this, template, section);
         }
     }
diff --git a/features/section/src/main/java/cc/carm/lib/configuration/source/section/SourcedSection.java b/features/section/src/main/java/cc/carm/lib/configuration/source/section/SourcedSection.java
index 205fd92..9a91ec2 100644
--- a/features/section/src/main/java/cc/carm/lib/configuration/source/section/SourcedSection.java
+++ b/features/section/src/main/java/cc/carm/lib/configuration/source/section/SourcedSection.java
@@ -9,19 +9,19 @@ import java.util.Map;
 public class SourcedSection extends AbstractMapSection<SourcedSection> {
 
     public static @NotNull SourcedSection root(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source) {
-        return new SourcedSection(source, new LinkedHashMap<>(), null);
+        return new SourcedSection(source, new LinkedHashMap<>(), null, "");
     }
 
     public static @NotNull SourcedSection root(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source,
                                                @Nullable Map<?, ?> raw) {
-        return new SourcedSection(source, raw == null ? new LinkedHashMap<>() : raw, null);
+        return new SourcedSection(source, raw == null ? new LinkedHashMap<>() : raw, null, "");
     }
 
     protected final @NotNull ConfigureSource<? extends SourcedSection, ?, ?> source;
 
     public SourcedSection(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source,
-                          @NotNull Map<?, ?> raw, @Nullable SourcedSection parent) {
-        super(parent);
+                          @NotNull Map<?, ?> raw, @Nullable SourcedSection parent, @NotNull String path) {
+        super(parent, path);
         this.source = source;
         migrate(raw);
     }
@@ -41,8 +41,8 @@ public class SourcedSection extends AbstractMapSection<SourcedSection> {
     }
 
     @Override
-    public @NotNull SourcedSection createSection(@NotNull Map<?, ?> data) {
-        return new SourcedSection(source(), data, this);
+    public @NotNull SourcedSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new SourcedSection(source(), data, this, path);
     }
 
 }
diff --git a/features/text/pom.xml b/features/text/pom.xml
index a92727e..15e94ad 100644
--- a/features/text/pom.xml
+++ b/features/text/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
diff --git a/features/versioned/pom.xml b/features/versioned/pom.xml
index 7d162b7..4a6c9a3 100644
--- a/features/versioned/pom.xml
+++ b/features/versioned/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
diff --git a/pom.xml b/pom.xml
index 0995007..4077842 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
     <groupId>cc.carm.lib</groupId>
     <artifactId>easyconfiguration-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.0.6</version>
+    <version>4.0.7</version>
     <modules>
         <module>core</module>
         <module>features/section</module>
@@ -89,12 +89,6 @@
             <url>https://repo1.maven.org/maven2/</url>
         </repository>
 
-        <repository>
-            <id>github</id>
-            <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/*</url>
-        </repository>
-
     </repositories>
 
     <distributionManagement>
diff --git a/providers/gson/pom.xml b/providers/gson/pom.xml
index 5c42ad0..e2bf4c9 100644
--- a/providers/gson/pom.xml
+++ b/providers/gson/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easyconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/providers/yaml/pom.xml b/providers/yaml/pom.xml
index a464508..d1e2bd1 100644
--- a/providers/yaml/pom.xml
+++ b/providers/yaml/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>easyconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.6</version>
+        <version>4.0.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -29,13 +29,6 @@
             <scope>compile</scope>
         </dependency>
 
-        <dependency>
-            <groupId>cc.carm.lib</groupId>
-            <artifactId>yamlcommentwriter</artifactId>
-            <version>1.2.0</version>
-            <scope>compile</scope>
-        </dependency>
-
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>easyconfiguration-feature-file</artifactId>
diff --git a/providers/yaml/src/main/java/cc/carm/lib/configuration/source/yaml/YAMLSource.java b/providers/yaml/src/main/java/cc/carm/lib/configuration/source/yaml/YAMLSource.java
index 1480f2a..b8ec084 100644
--- a/providers/yaml/src/main/java/cc/carm/lib/configuration/source/yaml/YAMLSource.java
+++ b/providers/yaml/src/main/java/cc/carm/lib/configuration/source/yaml/YAMLSource.java
@@ -56,7 +56,7 @@ public class YAMLSource
 
     @Override
     protected @NotNull YAMLSource self() {
-        return null;
+        return this;
     }
 
     @Override
diff --git a/providers/yaml/src/test/java/yaml/test/YamlTests.java b/providers/yaml/src/test/java/yaml/test/YamlTests.java
index b140e5b..82bb848 100644
--- a/providers/yaml/src/test/java/yaml/test/YamlTests.java
+++ b/providers/yaml/src/test/java/yaml/test/YamlTests.java
@@ -9,7 +9,6 @@ import org.junit.Test;
 
 import java.util.List;
 import java.util.Map;
-import java.util.regex.Pattern;
 
 public class YamlTests {