diff --git a/common/serializer/src/main/java/it/angrybear/yagl/parsers/TypedParser.java b/common/serializer/src/main/java/it/angrybear/yagl/parsers/TypedParser.java
index b8849039..68b15cfb 100644
--- a/common/serializer/src/main/java/it/angrybear/yagl/parsers/TypedParser.java
+++ b/common/serializer/src/main/java/it/angrybear/yagl/parsers/TypedParser.java
@@ -6,7 +6,6 @@
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.CallableYAMLParser;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * This parser allows parsing an object using the {@link CallableYAMLParser} methods.
@@ -34,7 +33,7 @@ public TypedParser(final @NotNull Class<C> clazz) {
 
     @SuppressWarnings("unchecked")
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable C> getDumper() {
+    protected TriConsumer<IConfiguration, String, C> getDumper() {
         return (c, s, g) -> {
             super.getDumper().accept(c, s, g);
             if (g == null) return;
diff --git a/gui/serializer/src/main/java/it/angrybear/yagl/parsers/GUIParser.java b/gui/serializer/src/main/java/it/angrybear/yagl/parsers/GUIParser.java
index 9d6bc8c1..86bd29ea 100644
--- a/gui/serializer/src/main/java/it/angrybear/yagl/parsers/GUIParser.java
+++ b/gui/serializer/src/main/java/it/angrybear/yagl/parsers/GUIParser.java
@@ -6,7 +6,6 @@
 import it.fulminazzo.fulmicollection.objects.Refl;
 import it.fulminazzo.fulmicollection.utils.ReflectionUtils;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
@@ -24,7 +23,7 @@ public GUIParser() {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable GUI> getLoader() {
+    protected BiFunctionException<IConfiguration, String, GUI> getLoader() {
         return (c, s) -> {
             GUI g = super.getLoader().apply(c, s);
             Integer size = c.getInteger(s + ".size");
@@ -40,7 +39,7 @@ public GUIParser() {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable GUI> getDumper() {
+    protected TriConsumer<IConfiguration, String, GUI> getDumper() {
         return (c, s, g) -> {
             super.getDumper().accept(c, s, g);
             if (g == null) return;
diff --git a/gui/serializer/src/main/java/it/angrybear/yagl/parsers/SerializableFunctionParser.java b/gui/serializer/src/main/java/it/angrybear/yagl/parsers/SerializableFunctionParser.java
index 711977ac..3e25f37e 100644
--- a/gui/serializer/src/main/java/it/angrybear/yagl/parsers/SerializableFunctionParser.java
+++ b/gui/serializer/src/main/java/it/angrybear/yagl/parsers/SerializableFunctionParser.java
@@ -9,7 +9,6 @@
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.lang.reflect.Constructor;
 
@@ -26,12 +25,12 @@ public class SerializableFunctionParser<F extends SerializableFunction> extends
      *
      * @param clazz the {@link SerializableFunction} class
      */
-    public SerializableFunctionParser(@NotNull Class<F> clazz) {
+    public SerializableFunctionParser(final @NotNull Class<F> clazz) {
         super(clazz);
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable F> getLoader() {
+    protected BiFunctionException<IConfiguration, String, F> getLoader() {
         return (c, s) -> {
             ConfigurationSection section = c.getConfigurationSection(s);
             if (section == null) return null;
@@ -52,7 +51,7 @@ public SerializableFunctionParser(@NotNull Class<F> clazz) {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable F> getDumper() {
+    protected TriConsumer<IConfiguration, String, F> getDumper() {
         return (c, s, f) -> {
             c.set(s, null);
             if (f == null) return;
diff --git a/item/serializer/src/main/java/it/angrybear/yagl/parsers/ItemParser.java b/item/serializer/src/main/java/it/angrybear/yagl/parsers/ItemParser.java
index d0614c6a..35dee3bf 100644
--- a/item/serializer/src/main/java/it/angrybear/yagl/parsers/ItemParser.java
+++ b/item/serializer/src/main/java/it/angrybear/yagl/parsers/ItemParser.java
@@ -11,8 +11,6 @@
 import it.fulminazzo.yamlparser.configuration.ConfigurationSection;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -31,7 +29,7 @@ public ItemParser() {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable Item> getLoader() {
+    protected BiFunctionException<IConfiguration, String, Item> getLoader() {
         return (c, s) -> {
             final ConfigurationSection itemSection = c.getConfigurationSection(s);
             if (itemSection == null) return null;
@@ -63,7 +61,7 @@ public ItemParser() {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable Item> getDumper() {
+    protected TriConsumer<IConfiguration, String, Item> getDumper() {
         return (c, s, i) -> {
             c.set(s, null);
             if (i != null) {
diff --git a/item/serializer/src/main/java/it/angrybear/yagl/parsers/RecipeParser.java b/item/serializer/src/main/java/it/angrybear/yagl/parsers/RecipeParser.java
index d0dcc568..11ba37d5 100644
--- a/item/serializer/src/main/java/it/angrybear/yagl/parsers/RecipeParser.java
+++ b/item/serializer/src/main/java/it/angrybear/yagl/parsers/RecipeParser.java
@@ -7,8 +7,6 @@
 import it.fulminazzo.fulmicollection.interfaces.functions.TriConsumer;
 import it.fulminazzo.fulmicollection.objects.Refl;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -38,7 +36,7 @@ protected BiFunctionException<IConfiguration, String, Recipe> getLoader() {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable Recipe> getDumper() {
+    protected TriConsumer<IConfiguration, String, Recipe> getDumper() {
         return super.getDumper().andThen((c, s, r) -> {
             if (r == null) return;
             if (!r.isEmpty()) c.set(s + ".ingredients.value-class", null);
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/parsers/ColorParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/parsers/ColorParser.java
index 26bd6b51..f0fba524 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/parsers/ColorParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/parsers/ColorParser.java
@@ -5,8 +5,6 @@
 import it.fulminazzo.fulmicollection.interfaces.functions.TriConsumer;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link Color}.
@@ -21,7 +19,7 @@ public ColorParser() {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable Color> getLoader() {
+    protected BiFunctionException<IConfiguration, String, Color> getLoader() {
         return (c, s) -> {
             String name = c.getString(s);
             if (name == null) return null;
@@ -32,7 +30,7 @@ public ColorParser() {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable Color> getDumper() {
+    protected TriConsumer<IConfiguration, String, Color> getDumper() {
         return (c, s, o) -> {
             c.set(s, null);
             if (o == null) return;
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/BlockDataOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/BlockDataOptionParser.java
index 630d0e24..cf458738 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/BlockDataOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/BlockDataOptionParser.java
@@ -4,8 +4,6 @@
 import it.fulminazzo.fulmicollection.interfaces.functions.TriConsumer;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link BlockDataOption}.
@@ -21,7 +19,7 @@ public BlockDataOptionParser() {
     }
 
     @Override
-    protected BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable BlockDataOption> getLoader() {
+    protected BiFunctionException<IConfiguration, String, BlockDataOption> getLoader() {
         return (c, s) -> {
             String raw = c.getString(s);
             if (raw == null) return null;
@@ -30,7 +28,7 @@ public BlockDataOptionParser() {
     }
 
     @Override
-    protected TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable BlockDataOption> getDumper() {
+    protected TriConsumer<IConfiguration, String, BlockDataOption> getDumper() {
         return (c, s, b) -> {
             c.set(s, null);
             if (b == null) return;
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ColorOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ColorOptionParser.java
index 9c5b7033..b6ddc968 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ColorOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ColorOptionParser.java
@@ -5,8 +5,6 @@
 import it.fulminazzo.fulmicollection.interfaces.functions.TriConsumer;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link ColorParticleOption}.
@@ -22,7 +20,7 @@ public ColorOptionParser() {
     }
 
     @Override
-    protected BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable ColorParticleOption> getLoader() {
+    protected BiFunctionException<IConfiguration, String, ColorParticleOption> getLoader() {
         return (c, s) -> {
             Color color = c.get(s, Color.class);
             if (color == null) return null;
@@ -31,7 +29,7 @@ public ColorOptionParser() {
     }
 
     @Override
-    protected TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable ColorParticleOption> getDumper() {
+    protected TriConsumer<IConfiguration, String, ColorParticleOption> getDumper() {
         return (c, s, p) -> c.set(s, p == null ? null : p.getOption());
     }
 }
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ItemParticleOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ItemParticleOptionParser.java
index 5f93feb7..d4214ee6 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ItemParticleOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ItemParticleOptionParser.java
@@ -6,8 +6,6 @@
 import it.fulminazzo.fulmicollection.utils.ReflectionUtils;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link ItemParticleOption}.
@@ -22,7 +20,7 @@ public ItemParticleOptionParser() {
     }
 
     @Override
-    protected BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable ItemParticleOption<?>> getLoader() {
+    protected BiFunctionException<IConfiguration, String, ItemParticleOption<?>> getLoader() {
         return (c, s) -> {
             AbstractItem item = c.get(s, ReflectionUtils.getClass("it.angrybear.yagl.items.Item"));
             if (item == null) return null;
@@ -31,7 +29,7 @@ public ItemParticleOptionParser() {
     }
 
     @Override
-    protected TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable ItemParticleOption<?>> getDumper() {
+    protected TriConsumer<IConfiguration, String, ItemParticleOption<?>> getDumper() {
         return (c, s, o) -> c.set(s, o == null ? null : o.getOption());
     }
 }
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/MaterialDataOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/MaterialDataOptionParser.java
index 3757bd38..27da299e 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/MaterialDataOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/MaterialDataOptionParser.java
@@ -5,8 +5,6 @@
 import it.fulminazzo.fulmicollection.structures.Tuple;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link MaterialDataOption}.
@@ -22,7 +20,7 @@ public MaterialDataOptionParser() {
     }
 
     @Override
-    protected BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable MaterialDataOption> getLoader() {
+    protected BiFunctionException<IConfiguration, String, MaterialDataOption> getLoader() {
         return (c, s) -> {
             String raw = c.getString(s);
             if (raw == null) return null;
@@ -31,7 +29,7 @@ public MaterialDataOptionParser() {
     }
 
     @Override
-    protected TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable MaterialDataOption> getDumper() {
+    protected TriConsumer<IConfiguration, String, MaterialDataOption> getDumper() {
         return (c, s, b) -> {
             c.set(s, null);
             if (b == null) return;
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleOptionParser.java
index 45a47f24..73093dc7 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleOptionParser.java
@@ -10,7 +10,6 @@
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
 import it.fulminazzo.yamlparser.parsers.annotations.PreventSaving;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
@@ -35,7 +34,7 @@ public ParticleOptionParser(@NotNull Class<P> pClass) {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable P> getLoader() {
+    protected BiFunctionException<IConfiguration, String, P> getLoader() {
         return (c, s) -> {
             Refl<?> reflP = new Refl<>(getOClass(), new Object[0]);
 
@@ -62,7 +61,7 @@ private void loadField(@NotNull Refl<?> reflP, @NotNull IConfiguration section,
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable P> getDumper() {
+    protected TriConsumer<IConfiguration, String, P> getDumper() {
         return (c, s, p) -> {
             c.set(s, null);
             if (p == null) return;
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleParser.java
index 071659cf..452452a6 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/ParticleParser.java
@@ -7,8 +7,6 @@
 import it.fulminazzo.yamlparser.configuration.ConfigurationSection;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link Particle}.
@@ -23,7 +21,7 @@ public ParticleParser() {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable Particle> getLoader() {
+    protected BiFunctionException<IConfiguration, String, Particle> getLoader() {
         return (c, s) -> {
             ConfigurationSection particleSection = c.getConfigurationSection(s);
             if (particleSection == null) return null;
@@ -48,7 +46,7 @@ public ParticleParser() {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable Particle> getDumper() {
+    protected TriConsumer<IConfiguration, String, Particle> getDumper() {
         return (c, s, p) -> {
             c.set(s, null);
             if (p == null) return;
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/PotionParticleOptionParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/PotionParticleOptionParser.java
index edbca125..a2a1c58c 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/PotionParticleOptionParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/particles/PotionParticleOptionParser.java
@@ -5,8 +5,6 @@
 import it.fulminazzo.fulmicollection.interfaces.functions.TriConsumer;
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * A parser to serialize {@link PotionParticleOption}.
@@ -22,7 +20,7 @@ public PotionParticleOptionParser() {
     }
 
     @Override
-    protected BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable PotionParticleOption> getLoader() {
+    protected BiFunctionException<IConfiguration, String, PotionParticleOption> getLoader() {
         return (c, s) -> {
             Potion potion = c.get(s, Potion.class);
             if (potion == null) return null;
@@ -31,7 +29,7 @@ public PotionParticleOptionParser() {
     }
 
     @Override
-    protected TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable PotionParticleOption> getDumper() {
+    protected TriConsumer<IConfiguration, String, PotionParticleOption> getDumper() {
         return (c, s, p) -> c.set(s, p == null ? null : p.getOption());
     }
 }
diff --git a/wrappers/serializer/src/main/java/it/angrybear/yagl/wrappers/WrapperParser.java b/wrappers/serializer/src/main/java/it/angrybear/yagl/wrappers/WrapperParser.java
index 1b0974cc..f39c47d9 100644
--- a/wrappers/serializer/src/main/java/it/angrybear/yagl/wrappers/WrapperParser.java
+++ b/wrappers/serializer/src/main/java/it/angrybear/yagl/wrappers/WrapperParser.java
@@ -9,7 +9,6 @@
 import it.fulminazzo.yamlparser.configuration.IConfiguration;
 import it.fulminazzo.yamlparser.parsers.YAMLParser;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -35,7 +34,7 @@ public WrapperParser(@NotNull Class<W> clazz) {
     }
 
     @Override
-    protected @NotNull BiFunctionException<@NotNull IConfiguration, @NotNull String, @Nullable W> getLoader() {
+    protected BiFunctionException<IConfiguration, String, W> getLoader() {
         return (c, s) -> {
             String raw = c.getString(s);
             if (raw == null || raw.trim().isEmpty()) return null;
@@ -80,7 +79,7 @@ public WrapperParser(@NotNull Class<W> clazz) {
     }
 
     @Override
-    protected @NotNull TriConsumer<@NotNull IConfiguration, @NotNull String, @Nullable W> getDumper() {
+    protected TriConsumer<IConfiguration, String, W> getDumper() {
         return (c, s, w) -> {
             c.set(s, null);
             if (w == null) return;