diff --git a/Runtime/Attributes/AssetsOnlyAttribute.cs b/Runtime/Attributes/AssetsOnlyAttribute.cs
index 79f52d4..185b811 100644
--- a/Runtime/Attributes/AssetsOnlyAttribute.cs
+++ b/Runtime/Attributes/AssetsOnlyAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage((AttributeTargets.Field | AttributeTargets.Property))]
     [Conditional("UNITY_EDITOR")]
-    public sealed class AssetsOnlyAttribute : Attribute
+    public class AssetsOnlyAttribute : Attribute
     {
         
     }
diff --git a/Runtime/Attributes/ButtonAttribute.cs b/Runtime/Attributes/ButtonAttribute.cs
index ee644d2..a7657b5 100644
--- a/Runtime/Attributes/ButtonAttribute.cs
+++ b/Runtime/Attributes/ButtonAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Method)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class ButtonAttribute : Attribute
+    public class ButtonAttribute : Attribute
     {
         public ButtonAttribute()
         {
diff --git a/Runtime/Attributes/DropdownAttribute.cs b/Runtime/Attributes/DropdownAttribute.cs
index bd58693..1bc7eb6 100644
--- a/Runtime/Attributes/DropdownAttribute.cs
+++ b/Runtime/Attributes/DropdownAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class DropdownAttribute : Attribute
+    public class DropdownAttribute : Attribute
     {
         public string Values { get; }
 
diff --git a/Runtime/Attributes/EnumToggleButtonsAttribute.cs b/Runtime/Attributes/EnumToggleButtonsAttribute.cs
index 9afc93a..e7d2c41 100644
--- a/Runtime/Attributes/EnumToggleButtonsAttribute.cs
+++ b/Runtime/Attributes/EnumToggleButtonsAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage((AttributeTargets.Field | AttributeTargets.Property))]
     [Conditional("UNITY_EDITOR")]
-    public sealed class EnumToggleButtonsAttribute : Attribute
+    public class EnumToggleButtonsAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/GUIColorAttribute.cs b/Runtime/Attributes/GUIColorAttribute.cs
index 768be21..b6ed8f8 100644
--- a/Runtime/Attributes/GUIColorAttribute.cs
+++ b/Runtime/Attributes/GUIColorAttribute.cs
@@ -6,7 +6,7 @@ namespace TriInspector
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method |
                     AttributeTargets.Class | AttributeTargets.Struct)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class GUIColorAttribute : Attribute
+    public class GUIColorAttribute : Attribute
     {
         public float R { get; }
         public float G { get; }
diff --git a/Runtime/Attributes/HideLabelAttribute.cs b/Runtime/Attributes/HideLabelAttribute.cs
index 4cd4cc4..f469503 100644
--- a/Runtime/Attributes/HideLabelAttribute.cs
+++ b/Runtime/Attributes/HideLabelAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class HideLabelAttribute : Attribute
+    public class HideLabelAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/HideMonoScriptAttribute.cs b/Runtime/Attributes/HideMonoScriptAttribute.cs
index 750972f..62b4ab1 100644
--- a/Runtime/Attributes/HideMonoScriptAttribute.cs
+++ b/Runtime/Attributes/HideMonoScriptAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage((AttributeTargets.Class | AttributeTargets.Struct))]
     [Conditional("UNITY_EDITOR")]
-    public sealed class HideMonoScriptAttribute : Attribute
+    public class HideMonoScriptAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/HideReferencePickerAttribute.cs b/Runtime/Attributes/HideReferencePickerAttribute.cs
index 7b1b398..0159cb2 100644
--- a/Runtime/Attributes/HideReferencePickerAttribute.cs
+++ b/Runtime/Attributes/HideReferencePickerAttribute.cs
@@ -3,7 +3,7 @@
 namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
-    public sealed class HideReferencePickerAttribute : Attribute
+    public class HideReferencePickerAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/IndentAttribute.cs b/Runtime/Attributes/IndentAttribute.cs
index be8797d..ca66f50 100644
--- a/Runtime/Attributes/IndentAttribute.cs
+++ b/Runtime/Attributes/IndentAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class IndentAttribute : Attribute
+    public class IndentAttribute : Attribute
     {
         public int Indent { get; }
 
diff --git a/Runtime/Attributes/InlineEditorAttribute.cs b/Runtime/Attributes/InlineEditorAttribute.cs
index c2de0f2..44adc07 100644
--- a/Runtime/Attributes/InlineEditorAttribute.cs
+++ b/Runtime/Attributes/InlineEditorAttribute.cs
@@ -6,7 +6,7 @@ namespace TriInspector
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property |
                     AttributeTargets.Class | AttributeTargets.Struct)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class InlineEditorAttribute : Attribute
+    public class InlineEditorAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/InlinePropertyAttribute.cs b/Runtime/Attributes/InlinePropertyAttribute.cs
index a6b4c2e..79e5e7d 100644
--- a/Runtime/Attributes/InlinePropertyAttribute.cs
+++ b/Runtime/Attributes/InlinePropertyAttribute.cs
@@ -6,7 +6,7 @@ namespace TriInspector
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property |
                     AttributeTargets.Class | AttributeTargets.Struct)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class InlinePropertyAttribute : Attribute
+    public class InlinePropertyAttribute : Attribute
     {
         public float LabelWidth { get; set; }
     }
diff --git a/Runtime/Attributes/LabelTextAttribute.cs b/Runtime/Attributes/LabelTextAttribute.cs
index 4358c7f..a9a2a86 100644
--- a/Runtime/Attributes/LabelTextAttribute.cs
+++ b/Runtime/Attributes/LabelTextAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class LabelTextAttribute : Attribute
+    public class LabelTextAttribute : Attribute
     {
         public string Text { get; }
 
diff --git a/Runtime/Attributes/LabelWidthAttribute.cs b/Runtime/Attributes/LabelWidthAttribute.cs
index aee578e..581541e 100644
--- a/Runtime/Attributes/LabelWidthAttribute.cs
+++ b/Runtime/Attributes/LabelWidthAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class LabelWidthAttribute : Attribute
+    public class LabelWidthAttribute : Attribute
     {
         public float Width { get; }
 
diff --git a/Runtime/Attributes/OnValueChangedAttribute.cs b/Runtime/Attributes/OnValueChangedAttribute.cs
index ca306cc..5421de0 100644
--- a/Runtime/Attributes/OnValueChangedAttribute.cs
+++ b/Runtime/Attributes/OnValueChangedAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class OnValueChangedAttribute : Attribute
+    public class OnValueChangedAttribute : Attribute
     {
         public OnValueChangedAttribute(string method)
         {
diff --git a/Runtime/Attributes/PropertyOrderAttribute.cs b/Runtime/Attributes/PropertyOrderAttribute.cs
index 7c0e0db..1279c75 100644
--- a/Runtime/Attributes/PropertyOrderAttribute.cs
+++ b/Runtime/Attributes/PropertyOrderAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class PropertyOrderAttribute : Attribute
+    public class PropertyOrderAttribute : Attribute
     {
         public int Order { get; }
 
diff --git a/Runtime/Attributes/PropertySpaceAttribute.cs b/Runtime/Attributes/PropertySpaceAttribute.cs
index d6b90c4..623774f 100644
--- a/Runtime/Attributes/PropertySpaceAttribute.cs
+++ b/Runtime/Attributes/PropertySpaceAttribute.cs
@@ -6,7 +6,7 @@ namespace TriInspector
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method |
                     AttributeTargets.Class | AttributeTargets.Struct)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class PropertySpaceAttribute : Attribute
+    public class PropertySpaceAttribute : Attribute
     {
         public float SpaceBefore { get; set; }
         public float SpaceAfter { get; set; }
diff --git a/Runtime/Attributes/PropertyTooltipAttribute.cs b/Runtime/Attributes/PropertyTooltipAttribute.cs
index 5c1a263..de77ea2 100644
--- a/Runtime/Attributes/PropertyTooltipAttribute.cs
+++ b/Runtime/Attributes/PropertyTooltipAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class PropertyTooltipAttribute : Attribute
+    public class PropertyTooltipAttribute : Attribute
     {
         public string Tooltip { get; }
 
diff --git a/Runtime/Attributes/ReadOnlyAttribute.cs b/Runtime/Attributes/ReadOnlyAttribute.cs
index afb3f0a..8133010 100644
--- a/Runtime/Attributes/ReadOnlyAttribute.cs
+++ b/Runtime/Attributes/ReadOnlyAttribute.cs
@@ -6,7 +6,7 @@ namespace TriInspector
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property |
                     AttributeTargets.Class | AttributeTargets.Struct)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class ReadOnlyAttribute : Attribute
+    public class ReadOnlyAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/SceneAttribute.cs b/Runtime/Attributes/SceneAttribute.cs
index ccaf28a..c6df6f5 100644
--- a/Runtime/Attributes/SceneAttribute.cs
+++ b/Runtime/Attributes/SceneAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class SceneAttribute : Attribute
+    public class SceneAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/SceneObjectsOnlyAttribute.cs b/Runtime/Attributes/SceneObjectsOnlyAttribute.cs
index 0ff0337..e565c2d 100644
--- a/Runtime/Attributes/SceneObjectsOnlyAttribute.cs
+++ b/Runtime/Attributes/SceneObjectsOnlyAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage((AttributeTargets.Field | AttributeTargets.Property))]
     [Conditional("UNITY_EDITOR")]
-    public sealed class SceneObjectsOnlyAttribute : Attribute
+    public class SceneObjectsOnlyAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/ShowDrawerChainAttribute.cs b/Runtime/Attributes/ShowDrawerChainAttribute.cs
index 6392fa7..50acbbe 100644
--- a/Runtime/Attributes/ShowDrawerChainAttribute.cs
+++ b/Runtime/Attributes/ShowDrawerChainAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class ShowDrawerChainAttribute : Attribute
+    public class ShowDrawerChainAttribute : Attribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/TableListAttribute.cs b/Runtime/Attributes/TableListAttribute.cs
index 5ca3e79..04dc02f 100644
--- a/Runtime/Attributes/TableListAttribute.cs
+++ b/Runtime/Attributes/TableListAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class TableListAttribute : ListDrawerSettingsAttribute
+    public class TableListAttribute : ListDrawerSettingsAttribute
     {
     }
 }
\ No newline at end of file
diff --git a/Runtime/Attributes/TitleAttribute.cs b/Runtime/Attributes/TitleAttribute.cs
index 4baa53c..fac94de 100644
--- a/Runtime/Attributes/TitleAttribute.cs
+++ b/Runtime/Attributes/TitleAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class TitleAttribute : Attribute
+    public class TitleAttribute : Attribute
     {
         public string Title { get; }
         public bool HorizontalLine { get; set; } = true;
diff --git a/Runtime/Attributes/ValidateInputAttribute.cs b/Runtime/Attributes/ValidateInputAttribute.cs
index c4f8ae9..541547e 100644
--- a/Runtime/Attributes/ValidateInputAttribute.cs
+++ b/Runtime/Attributes/ValidateInputAttribute.cs
@@ -5,7 +5,7 @@ namespace TriInspector
 {
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     [Conditional("UNITY_EDITOR")]
-    public sealed class ValidateInputAttribute : Attribute
+    public class ValidateInputAttribute : Attribute
     {
         public string Method { get; }