diff --git a/examples/cube3d-gfx.p8 b/examples/cube3d-gfx.p8
index 15b4aa004..85f613dec 100644
--- a/examples/cube3d-gfx.p8
+++ b/examples/cube3d-gfx.p8
@@ -4,9 +4,6 @@
 
 main {
 
-    const uword width = 255
-    const uword height = 200
-
     ; vertices
     word[] xcoor = [ -100, -100, -100, -100,  100,  100,  100, 100 ]
     word[] ycoor = [ -100, -100,  100,  100, -100, -100,  100, 100 ]
diff --git a/examples/cx16/graphics.p8 b/examples/cx16/graphics.p8
index bd6cdefa8..cad9f679c 100644
--- a/examples/cx16/graphics.p8
+++ b/examples/cx16/graphics.p8
@@ -1,4 +1,4 @@
-; CommanderX16 text clock example!
+; CommanderX16 simple graphics example!
 ; make sure to compile with the cx16 compiler target.
 
 %zeropage basicsafe
diff --git a/examples/cx16/mandelbrot-gfx.p8 b/examples/cx16/mandelbrot-gfx.p8
index 8869d0a48..d3e9e30ee 100644
--- a/examples/cx16/mandelbrot-gfx.p8
+++ b/examples/cx16/mandelbrot-gfx.p8
@@ -5,7 +5,7 @@
 main {
     const uword width = 256
     const uword height = 200
-    const ubyte max_iter = 16       ; 32 looks pretty nice
+    const ubyte max_iter = 16       ; 32 actually looks pretty nice but takes longer
 
     sub start()  {
         initialize()
diff --git a/examples/cx16/textclock.p8 b/examples/cx16/textclock.p8
index 0f3dff8f6..d03c2e034 100644
--- a/examples/cx16/textclock.p8
+++ b/examples/cx16/textclock.p8
@@ -8,28 +8,6 @@ main {
 
     sub start() {
 
-;        %asm {{
-;            lda  #$80
-;            jsr  cx16.screen_set_mode
-;        }}
-;        cx16.r0=0
-;        cx16.GRAPH_init()
-;        %asm {{
-;            lda  #4
-;            ldy  #0
-;            ldx  #1
-;            jsr  cx16.GRAPH_set_colors
-;        }}
-;        cx16.GRAPH_clear()
-;        cx16.r0=10
-;        cx16.r1=10
-;        cx16.r2=100
-;        cx16.r3=150
-;        cx16.GRAPH_draw_line()
-;
-;        repeat {
-;        }
-
         cx16.r0 = mkword(8, 2020 - 1900)
         cx16.r1 = mkword(19, 27)
         cx16.r2 = mkword(0, 16)