diff --git a/sorting_visualization.html b/sorting_visualization.html
index 0eda33e..467600e 100644
--- a/sorting_visualization.html
+++ b/sorting_visualization.html
@@ -2748,47 +2748,12 @@ function finishAnimation() {
   updateButtonStates();
 }
 
-function stopTimer() {
-  if (animTimer !== null) { clearInterval(animTimer); animTimer = null; }
-}
-  }
-
-  // Start timing on first tick
-  if (startTime === 0) startTime = performance.now();
-  animTimer = window.setInterval(tick, delay);
-}
-
-function tick() {
-  if (stepIndex >= steps.length) { finishAnimation(); return; }
-  renderStep(steps[stepIndex], stepIndex + 1);
-  stepIndex++;
-  // Update elapsed time display
-  elapsedMs = Math.round(performance.now() - startTime);
-  $statTime.textContent = elapsedMs + ' ms';
-  if (stepIndex >= steps.length) finishAnimation();
-}
-
-function finishAnimation() {
-  if (animTimer !== null) { clearInterval(animTimer); animTimer = null; }
-  isRunning = false;
-  isPaused = false;
-  const last = steps[steps.length - 1];
-  if (last) {
-    drawBars(last.array, {}, true);
-    setStats(last.compares, last.swaps, last.moves, steps.length);
-  }
-  elapsedMs = Math.round(performance.now() - startTime);
-  $statTime.textContent = elapsedMs + ' ms';
-  updateProgress(steps.length, steps.length);
-  $phaseLabel.innerHTML = ' ';
-  $stepExplanation.textContent = 'Sortierung abgeschlossen \u2713';
-  updateButtonStates();
-}
-
 function stopTimer() {
   if (animTimer !== null) { clearInterval(animTimer); animTimer = null; }
 }
 
+// ================================================================
+// Reset
 // ================================================================
 // Reset
 // ================================================================
@@ -3099,28 +3064,6 @@ function writeUrlState() {
   window.history.replaceState(null, '', url);
 }
 
-// ================================================================
-// URL State Persistence
-// ================================================================
-
-function readUrlState() {
-  const params = new URLSearchParams(window.location.search);
-  if (params.has('algo'))    $algoSelect.value = params.get('algo');
-  if (params.has('preset'))  $presetSelect.value = params.get('preset');
-  if (params.has('size'))    $sizeSlider.value = Math.max(5, Math.min(200, parseInt(params.get('size'), 10) || 50));
-  if (params.has('speed'))   $speedSlider.value = Math.max(1, Math.min(100, parseInt(params.get('speed'), 10) || 50));
-}
-
-function writeUrlState() {
-  const params = new URLSearchParams();
-  params.set('algo', $algoSelect.value);
-  params.set('preset', $presetSelect.value);
-  params.set('size', $sizeSlider.value);
-  params.set('speed', $speedSlider.value);
-  const url = window.location.pathname + '?' + params.toString();
-  window.history.replaceState(null, '', url);
-}
-
 // ================================================================
 // Window Resize (ResizeObserver + fallback)
 // ================================================================