diff --git a/source/funkin/states/PlayState.hx b/source/funkin/states/PlayState.hx
index 076db5f8..db08b623 100644
--- a/source/funkin/states/PlayState.hx
+++ b/source/funkin/states/PlayState.hx
@@ -346,7 +346,7 @@ class PlayState extends MusicBeatState {
 	}
 
 	public function startVideo(path:String, ?completeFunc:Dynamic):Void {
-		completeFunc = completeFunc == null ? startCountdown : completeFunc;
+		completeFunc = completeFunc ?? startCountdown;
 		#if cpp
 		var video:FlxVideo = new FlxVideo();
 		var vidFunc = function () {
diff --git a/source/funkin/util/CoolUtil.hx b/source/funkin/util/CoolUtil.hx
index ef25e0fa..96cf5fb6 100644
--- a/source/funkin/util/CoolUtil.hx
+++ b/source/funkin/util/CoolUtil.hx
@@ -94,9 +94,9 @@ class CoolUtil {
 	}
 
 	inline public static function playSound(key:String, volume:Float = 1, ?pitch:Float) {
-		var sound = getSound(key);
+		final sound = getSound(key);
 		sound.volume = volume;
-		sound.pitch = (pitch == null ? FlxG.timeScale : pitch);
+		sound.pitch = pitch ?? FlxG.timeScale;
 		sound.play();
 		return sound;
 	}
@@ -141,12 +141,13 @@ class CoolUtil {
 		FlxG.sound.music = null;
 	}
 
+	static final baseLerp = 1 / 60;
 	inline public static function getLerp(ratio:Float):Float {
-		return 	FlxG.elapsed / (1 / 60) * ratio;
+		return FlxG.elapsed / baseLerp * ratio;
 	}
 
 	inline public static function coolLerp(a:Float, b:Float, ratio:Float):Float {
-		return FlxMath.lerp(a,b,getLerp(ratio));
+		return FlxMath.lerp(a, b, getLerp(ratio));
 	}
 
 	public static function sortByStrumTime(a:Dynamic, b:Dynamic) {
@@ -177,9 +178,8 @@ class CoolUtil {
 	public static function removeDuplicates(input:Array<String>):Array<String> {
         var result:Array<String> = [];
         for (i in input) {
-            if (!result.contains(i)) {
+            if (!result.contains(i))
                 result.push(i);
-            }
         }
         return result;
     }
@@ -214,6 +214,22 @@ class CoolUtil {
 		return FlxG.cameras.list[FlxG.cameras.list.length - 1];
 	}
 
+	inline public static function switchState(newState:FlxState) {
+		if (MusicBeatState.instance == null) {
+			FlxG.switchState(newState);
+			return;
+		}
+		MusicBeatState.instance.switchState(newState);
+	}
+
+	inline public static function resetState() {
+		if (MusicBeatState.instance == null) {
+			FlxG.resetState();
+			return;
+		}
+		MusicBeatState.instance.resetState();
+	}
+
 	/*
      *	RATING UTIL
     */
@@ -242,20 +258,4 @@ class CoolUtil {
     inline public static function getNoteDiff(daNote:Note):Float {
         return Math.abs(daNote.strumTime - Conductor.songPosition);
     }
-
-	inline public static function switchState(newState:FlxState) {
-		if (MusicBeatState.instance == null) {
-			FlxG.switchState(newState);
-			return;
-		}
-		MusicBeatState.instance.switchState(newState);
-	}
-
-	inline public static function resetState() {
-		if (MusicBeatState.instance == null) {
-			FlxG.resetState();
-			return;
-		}
-		MusicBeatState.instance.resetState();
-	}
 }
\ No newline at end of file
diff --git a/source/funkin/util/backend/UnZipper.hx b/source/funkin/util/backend/UnZipper.hx
index eeba6261..642d578a 100644
--- a/source/funkin/util/backend/UnZipper.hx
+++ b/source/funkin/util/backend/UnZipper.hx
@@ -5,6 +5,11 @@ import haxe.zip.Uncompress;
 import haxe.zip.Reader;
 import sys.io.File;
 
+/*
+    Credits to part of this code to the Yoshi Crafter engine devs!!
+    I was way too dumb to figure out haxe zip by myself!!
+*/
+
 class UnZipper {
     public static function getZipEntries(path:String) {
         var zipData = openZip(path);
diff --git a/source/funkin/util/modding/PsychLuaConverter.hx b/source/funkin/util/modding/PsychLuaConverter.hx
deleted file mode 100644
index 6e53a72b..00000000
--- a/source/funkin/util/modding/PsychLuaConverter.hx
+++ /dev/null
@@ -1,82 +0,0 @@
-package funkin.util.modding;
-
-/*
-    Yeah better if we DONT use this..
-*/
-
-class PsychLuaConverter {
-    public var finalCode:String = '\n';
-    public function new() {}
-
-    var localVariables:Array<String> = [];
-
-    public function analyze(code:String): Void {
-        for (line in code.split('\n')) {
-            line = line.trim();
-            if (line.endsWith(')') && !line.startsWith('function'))             line += ';';
-            else if (line.startsWith('function') || line.startsWith('else'))    line += ' {';
-            else if (line.startsWith('if')) {
-                line = line.substr(0, line.length - 'then'.length);
-                var split = line.split('if');
-                line = 'if (${split[1]}) {';
-            }
-            line = convertExpressions(line);
-            line = checkEndLine(line);
-            line = replaceFunctions(line);
-            finalCode += '$line\n';
-        }
-    }
-
-    var endLineExceptions = ['}', '{', ';'];
-    function checkEndLine(line:String) {
-        var addEnd:Bool = true;
-        for (i in endLineExceptions) {
-            if (line.endsWith(i)) {
-                addEnd = false;
-                break;
-            }
-        }
-        return (addEnd ? '\t$line;' : line);
-    }
-
-    function convertExpressions(line:String) {
-        line = line.replace('~=', '!=');
-        line = line.replace('local', 'var');
-        line = line.replace('end', '}');
-        line = line.replace('--', '//');
-        
-        if (line.contains('[')) { // Lua arrays start in 1
-            var content = line.split('[')[1].split(']')[0];
-            for (i in 0...10) {
-                if (content.startsWith(Std.string(i))) {
-                    var num = Std.parseInt(content) - 1;
-                    line = line.split('[')[0] + '[$num]' + line.split(']')[1];
-                    break;
-                }
-            }
-        }
-
-        return line;
-    }
-
-    var functionReplacements:Map<String, String> = [
-        'onCreate' => 'create',
-        'onCreatePost' => 'createPost',
-        'onUpdate' => 'update',
-        'onUpdatePost' => 'updatePost',
-        'onBeatHit' => 'beatHit',
-        'onStepHit' => 'stepHit',
-        'onStartCountdown' => 'startTimer',
-        'onSongStart' => 'startSong',
-        'onEndSong' => 'endSong',
-        'noteMissPress' => 'badNoteHit',
-    ];
-
-    function replaceFunctions(line:String) {
-        for (i in functionReplacements.keys()) {
-            line.replace(i, functionReplacements.get(i));
-        }
-        return line;
-    }
-}
-