diff --git a/Architype.js b/Architype.js
index f822d40..17a847e 100644
--- a/Architype.js
+++ b/Architype.js
@@ -291,6 +291,4 @@ class Architype {
 <!--# include file="Grid.js" -->
 <!--# include file="IdSource.js" -->
 
-<!--# include file="utils.js" -->
-
 new Architype(document.getElementById('architype'));
diff --git a/EditorEntryBase.js b/EditorEntryBase.js
index d8fa94e..50c8ca0 100644
--- a/EditorEntryBase.js
+++ b/EditorEntryBase.js
@@ -46,7 +46,7 @@ class EditorEntryBase extends ListenUtils {
     this.elem_.scrollIntoView({block: 'nearest'});
   }
 
-  onKeyDown(e) {
+  onKeyDown() {
   }
 
   afterDomAdd() {
diff --git a/EditorNode.js b/EditorNode.js
index f1826fb..af8b7b3 100644
--- a/EditorNode.js
+++ b/EditorNode.js
@@ -19,7 +19,6 @@ class EditorNode extends EditorInputBase {
 
   isSoft() {
     // Nested nodes are presumed to be references to other nodes if they exist
-    let iter = this.elem_.parentElement;
     for (let iter = this.elem_.parentElement; iter; iter = iter.parentElement) {
       if (iter.xArchObj) {
         return true;
diff --git a/Grid.js b/Grid.js
index 7c0433c..b1af1ce 100644
--- a/Grid.js
+++ b/Grid.js
@@ -7,7 +7,7 @@ class Grid {
     addEventListener('resize', (e) => { this.onResize(e); });
   }
 
-  onResize(e) {
+  onResize() {
     this.fixSizes();
   }
 
@@ -135,7 +135,7 @@ class Grid {
     node.style.gridRow = pos[1] + 1;
     this.toSize_.push(node);
 
-    node.addEventListener('click', (e) => {
+    node.addEventListener('click', () => {
       let editorElem = document.getElementById(id);
       editorElem.classList.toggle('highlight');
       editorElem.setAttribute('data-arch-refresh', '');
diff --git a/List.js b/List.js
index 10cf89f..00413f5 100644
--- a/List.js
+++ b/List.js
@@ -39,7 +39,7 @@ class List {
     return null;
   }
 
-  mayDelete(type) {
+  mayDelete() {
     return true;
   }
 
diff --git a/MinHeap.js b/MinHeap.js
index df39310..0588dc4 100644
--- a/MinHeap.js
+++ b/MinHeap.js
@@ -64,4 +64,4 @@ class MinHeap {
       idx = toSwap;
     }
   }
-};
+}