diff --git a/src/graphics_engine.v b/src/graphics_engine.v
index 977bfd7..cbdd61d 100644
--- a/src/graphics_engine.v
+++ b/src/graphics_engine.v
@@ -25,8 +25,7 @@ module graphics_engine(
     
     overlay_creator overlay_creator1 (
         .overlay_active(overlay_active), .text_active(overlay_text_active),
-        .x(x), .y(y),
-        .clk(clk), .rst_n(rst_n)
+        .x(x), .y(y)
     );
     
     sine_layer sine_layer1 (
diff --git a/src/overlay_creator.v b/src/overlay_creator.v
index 5121c42..0b482fc 100644
--- a/src/overlay_creator.v
+++ b/src/overlay_creator.v
@@ -2,8 +2,7 @@
 
 module overlay_creator(
     output wire overlay_active, text_active,
-    input wire [9:0] x, y,
-    input wire clk, rst_n
+    input wire [9:0] x, y
     );
     
     //TODO: Double Layer optimization
diff --git a/src/sine_layer.v b/src/sine_layer.v
index aaeccfa..a7a19cc 100644
--- a/src/sine_layer.v
+++ b/src/sine_layer.v
@@ -22,7 +22,7 @@ module sine_layer (
         sub_floor = (a < b) ? 4'd0 : (a - b);
     endfunction
     
-    function [3:0] add_ceil(input [3:0] a, b);
+    function automatic [3:0] add_ceil(input [3:0] a, b);
     reg [3:0] t;
     begin
         t = a + b;