diff --git a/Diya/DiyaBoot.class.st b/Diya/DiyaBoot.class.st
index 9c38753..fe665e9 100644
--- a/Diya/DiyaBoot.class.st
+++ b/Diya/DiyaBoot.class.st
@@ -93,15 +93,6 @@ DiyaBoot >> initialize [
 	clock := DiyaClock uniqueInstance.
 ]
 
-{ #category : #events }
-DiyaBoot >> randomColorChannel [
-	| rand |
-	rand := Random new.
-	rand := (rand next) * 255.
-	rand := rand asInteger.
-	^ rand
-]
-
 { #category : #events }
 DiyaBoot >> render [
 	|delta launcher|
@@ -199,18 +190,3 @@ DiyaBoot >> startx [
 	DiyaSingleton resetAll.
 	SDL2 quit.
 ]
-
-{ #category : #events }
-DiyaBoot >> step [
-	"renderer drawColorR: 0
-				g: 0
-				b: 0
-				a: 255."
-	OpenGL begin: GL_TRIANGLES.
-	"draw a simple triangle here"
-	OpenGL color3fR: 0.1 G:0.2  B: 0.3.
-	OpenGL vertex3fX: 0 Y: 0  Z: 0.
-	OpenGL vertex3fX: 1 Y: 0  Z: 0.
-	OpenGL vertex3fX: 0 Y: 1  Z: 0.  
-	OpenGL end.
-]
diff --git a/Diya/DiyaRenderer.class.st b/Diya/DiyaRenderer.class.st
deleted file mode 100644
index 140ee00..0000000
--- a/Diya/DiyaRenderer.class.st
+++ /dev/null
@@ -1,37 +0,0 @@
-Class {
-	#name : #DiyaRenderer,
-	#superclass : #DiyaSingleton,
-	#instVars : [
-		'root'
-	],
-	#pools : [
-		'OpenGLConstants',
-		'OpenGLTypes'
-	],
-	#category : #'Diya-Graphics'
-}
-
-{ #category : #'instance creation' }
-DiyaRenderer class >> fromContext: ctx [
-	^self new context: ctx; yourself
-]
-
-{ #category : #initialization }
-DiyaRenderer >> initialize [
-	super initialize.
-]
-
-{ #category : #deleting }
-DiyaRenderer >> render [ 
-	root render. 
-]
-
-{ #category : #accessing }
-DiyaRenderer >> root [
-	^ root
-]
-
-{ #category : #accessing }
-DiyaRenderer >> root: anObject [
-	root := anObject
-]