diff --git a/Assets/NanoBrain/Cluster.cs b/Assets/NanoBrain/Cluster.cs
index a148a00..54b9c92 100644
--- a/Assets/NanoBrain/Cluster.cs
+++ b/Assets/NanoBrain/Cluster.cs
@@ -104,15 +104,9 @@ public class Cluster : ScriptableObject, INucleus {
 
     public void UpdateNuclei() {
         foreach (INucleus nucleus in nuclei)
-            nucleus.IncreaseAge();
+            nucleus.UpdateNuclei();
 
     }
 
-    public void IncreaseAge() {
-        foreach (INucleus nucleus in nuclei)
-            nucleus.IncreaseAge();        
-    }
-    // ha ha ha
-
     #endregion Dynamics
 }
\ No newline at end of file
diff --git a/Assets/NanoBrain/INucleus.cs b/Assets/NanoBrain/INucleus.cs
index 535caca..dedd500 100644
--- a/Assets/NanoBrain/INucleus.cs
+++ b/Assets/NanoBrain/INucleus.cs
@@ -20,7 +20,7 @@ public interface INucleus : IReceptor {
 
     public void UpdateState();
 
-    public void IncreaseAge();
+    public void UpdateNuclei();
 
     #endregion dynamic state
 
diff --git a/Assets/NanoBrain/Neuroid.cs b/Assets/NanoBrain/Neuroid.cs
index f14a788..b8e14d3 100644
--- a/Assets/NanoBrain/Neuroid.cs
+++ b/Assets/NanoBrain/Neuroid.cs
@@ -38,21 +38,6 @@ public class Neuroid : Nucleus {
         return clone;
     }
 
-    public void SetWeight(Neuroid input, float weight) {
-        this.SetWeight((Nucleus)input, weight);
-    }
-
-    public void SetInput(Neuroid input) {
-        if (this.SynapseExists(input) == false)
-            this.SetWeight(input, 1.0f);
-        UpdateState();
-    }
-
-    public void SetInput(Neuroid input, float weight) {
-        this.SetWeight(input, weight);
-        UpdateState();
-    }
-
     public override void UpdateState() {
         Vector3 sum = Vector3.zero;
         int n = 0;
diff --git a/Assets/NanoBrain/Nucleus.cs b/Assets/NanoBrain/Nucleus.cs
index 01f0693..ffe7125 100644
--- a/Assets/NanoBrain/Nucleus.cs
+++ b/Assets/NanoBrain/Nucleus.cs
@@ -5,8 +5,6 @@ using UnityEngine;
 [Serializable]
 public class Nucleus : INucleus {
 
-    public int id; // hash code
-
     [SerializeField]
     protected string _name;
     public virtual string name {
@@ -23,10 +21,8 @@ public class Nucleus : INucleus {
     public List<INucleus> receivers => _receivers;
 
     public NucleusArray array { get; set; }
-    #region Serialization
 
-    [SerializeField]
-    protected string nucleusType;
+    #region Serialization
 
     public enum CurvePresets {
         Linear,
@@ -67,32 +63,6 @@ public class Nucleus : INucleus {
         }
     }
 
-    // public virtual void Rebuild(NanoBrain brain) {
-    //     if (this.synapses != null) {
-    //         foreach (Synapse synapse in synapses)
-    //             synapse.Rebuild(brain);
-    //     }
-    //     // foreach (INucleus receiver in receivers.ToArray()) {
-    //     //     if (receiver.Rebuild(brain) == false) {
-    //     //         Debug.Log("Rebuilding failed, removing receiver.");
-    //     //         receivers.Remove(receiver);
-    //     //     }
-    //     // }
-    // }
-
-    // public static Nucleus RebuildType(NanoBrain brain, Nucleus nucleus) {
-    //     if (string.IsNullOrEmpty(nucleus.nucleusType) == false) {
-    //         Type nucleusType = Type.GetType(nucleus.nucleusType);
-    //         if (nucleusType != null) {
-    //             object[] args = new object[] { brain, nucleus.name };
-    //             Nucleus rebuiltNucleus = (Nucleus)Activator.CreateInstance(nucleusType, args);
-    //             rebuiltNucleus.Deserialize(nucleus);
-    //             return rebuiltNucleus;
-    //         }
-    //     }
-    //     return nucleus;
-    // }
-
     public virtual void Deserialize(Nucleus nucleus) { }
 
     #endregion Serialization
@@ -111,26 +81,23 @@ public class Nucleus : INucleus {
         }
     }
 
-    [System.NonSerialized]
+    [NonSerialized]
     private int stale = 1000;
 
     private bool _isSleeping = false;
     public bool isSleeping => _isSleeping;
 
-    public void IncreaseAge() {
+    public void UpdateNuclei() {
         this.stale++;
         this._isSleeping = this.stale > 2;
         if (isSleeping)
             _outputValue = Vector3.zero;
     }
-    [System.NonSerialized]
-    public int layerIx;
 
     #endregion Runtime state
 
     public Nucleus(string name) {
         this._name = name;
-        this.id = this.GetHashCode();
     }
 
     public virtual INucleus Clone() {
@@ -188,34 +155,11 @@ public class Nucleus : INucleus {
         }
     }
 
-    public void GetInputFrom(Nucleus input, float weight = 1.0f) {
-        input.AddReceiver(this);
-        this.SetWeight(input, weight);
-    }
-
-    public bool SynapseExists(Nucleus nucleus) {
-        foreach (Synapse synapse in synapses) {
-            if (synapse.nucleus == nucleus)
-                return true;
-        }
-        return false;
-    }
-
     public Synapse AddSynapse(IReceptor sendingNucleus) {
         Synapse synapse = new(sendingNucleus, 1.0f);
         this.synapses.Add(synapse);
         return synapse;
     }
-    public void SetWeight(Nucleus nucleus, float weight) {
-        foreach (Synapse synapse in synapses) {
-            if (synapse.nucleus == nucleus) {
-                synapse.weight = weight;
-                return;
-            }
-        }
-        Synapse newSynapse = new(nucleus, weight);
-        synapses.Add(newSynapse);
-    }
 
     public virtual void UpdateState() { }
 
diff --git a/Assets/NanoBrain/Receptor.cs b/Assets/NanoBrain/Receptor.cs
index 39f1699..403367d 100644
--- a/Assets/NanoBrain/Receptor.cs
+++ b/Assets/NanoBrain/Receptor.cs
@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using UnityEngine;
-using LinearAlgebra;
 
 public class Receptor : IReceptor {
     [SerializeField]
@@ -26,52 +25,16 @@ public class Receptor : IReceptor {
 
     public bool isSleeping => false;
 
-    /// <summary>
-    /// The list of perceptoid which can process stimuli from this receptor
-    /// </summary>
-    //public List<Perceptoid> perceptei = new();
-
-    // private int _thingType = 0;
-    // public int thingType {
-    //     get { return _thingType; }
-    //     set {
-    //         _thingType = value;
-    //         foreach (Perceptoid perceptoid in perceptei) {
-    //             perceptoid.thingType = _thingType;
-    //         }
-    //     }
-    // }
     public Vector3 localPosition;
     public float distanceResolution = 0.1f;
     public float directionResolution = 5;
 
-    public Vector3 outputValue {
-        get { return localPosition; }
-        set {
-            localPosition = value;
-        }
-    }
-
-
-    // public Receptor(NanoBrain brain, int thingType) {
-    //     this.thingType = thingType;
-    //     brain.receptors.Add(this);
-    // }
+    public Vector3 outputValue => this.localPosition;
 
     public Receptor(Cluster cluster, INucleus nucleus) {
-        //this.cluster = cluster;
         this.AddReceiver(nucleus);
     }
 
-    // public static Receptor GetReceptor(NanoBrain brain, int thingType) {
-    //     foreach (Receptor receptor in brain.receptors) {
-    //         if (thingType == 0 || receptor.thingType == thingType)
-    //             return receptor;
-    //     }
-    //     Receptor newReceptor = new(brain, thingType);
-    //     return newReceptor;
-    // }
-
     public static Receptor CreateReceptor(Cluster cluster, string nucleusName) {
         if (cluster == null)
             return null;