diff --git a/src/UI/Widgets/EvaluateWidget/BaseArgumentHandler.cs b/src/UI/Widgets/EvaluateWidget/BaseArgumentHandler.cs
index 6cf7df2..a8b3873 100644
--- a/src/UI/Widgets/EvaluateWidget/BaseArgumentHandler.cs
+++ b/src/UI/Widgets/EvaluateWidget/BaseArgumentHandler.cs
@@ -9,8 +9,6 @@ namespace UnityExplorer.UI.Widgets
 {
     public abstract class BaseArgumentHandler : IPooledObject
     {
-        protected EvaluateWidget evaluator;
-
         internal Text argNameLabel;
         internal InputFieldRef inputField;
         internal TypeCompleter typeCompleter;
diff --git a/src/UI/Widgets/EvaluateWidget/EvaluateWidget.cs b/src/UI/Widgets/EvaluateWidget/EvaluateWidget.cs
index cb23e49..cb2aca9 100644
--- a/src/UI/Widgets/EvaluateWidget/EvaluateWidget.cs
+++ b/src/UI/Widgets/EvaluateWidget/EvaluateWidget.cs
@@ -110,7 +110,7 @@ namespace UnityExplorer.UI.Widgets
 
                 GenericArgumentHandler holder = genericHandlers[i] = Pool<GenericArgumentHandler>.Borrow();
                 holder.UIRoot.transform.SetParent(this.genericArgumentsHolder.transform, false);
-                holder.OnBorrowed(this, type);
+                holder.OnBorrowed(type);
             }
         }
 
@@ -122,7 +122,7 @@ namespace UnityExplorer.UI.Widgets
 
                 ParameterHandler holder = paramHandlers[i] = Pool<ParameterHandler>.Borrow();
                 holder.UIRoot.transform.SetParent(this.parametersHolder.transform, false);
-                holder.OnBorrowed(this, param);
+                holder.OnBorrowed(param);
             }
         }
 
diff --git a/src/UI/Widgets/EvaluateWidget/GenericArgumentHandler.cs b/src/UI/Widgets/EvaluateWidget/GenericArgumentHandler.cs
index 599f81f..899429d 100644
--- a/src/UI/Widgets/EvaluateWidget/GenericArgumentHandler.cs
+++ b/src/UI/Widgets/EvaluateWidget/GenericArgumentHandler.cs
@@ -9,9 +9,8 @@ namespace UnityExplorer.UI.Widgets
     {
         private Type genericType;
 
-        public void OnBorrowed(EvaluateWidget evaluator, Type genericConstraint)
+        public void OnBorrowed(Type genericConstraint)
         {
-            this.evaluator = evaluator;
             this.genericType = genericConstraint;
 
             typeCompleter.Enabled = true;
@@ -39,7 +38,6 @@ namespace UnityExplorer.UI.Widgets
 
         public void OnReturned()
         {
-            this.evaluator = null;
             this.genericType = null;
 
             this.typeCompleter.Enabled = false;
diff --git a/src/UI/Widgets/EvaluateWidget/ParameterHandler.cs b/src/UI/Widgets/EvaluateWidget/ParameterHandler.cs
index b2411c0..bd92b0f 100644
--- a/src/UI/Widgets/EvaluateWidget/ParameterHandler.cs
+++ b/src/UI/Widgets/EvaluateWidget/ParameterHandler.cs
@@ -26,9 +26,8 @@ namespace UnityExplorer.UI.Widgets
         private Text basicLabel;
         private ButtonRef pasteButton;
 
-        public void OnBorrowed(EvaluateWidget evaluator, ParameterInfo paramInfo)
+        public void OnBorrowed(ParameterInfo paramInfo)
         {
-            this.evaluator = evaluator;
             this.paramInfo = paramInfo;
 
             this.paramType = paramInfo.ParameterType;
@@ -85,7 +84,6 @@ namespace UnityExplorer.UI.Widgets
 
         public void OnReturned()
         {
-            this.evaluator = null;
             this.paramInfo = null;
 
             this.enumCompleter.Enabled = false;