diff --git a/frontend/src/viewer/CanvasLayer.tsx b/frontend/src/viewer/CanvasLayer.tsx
index c184e12..296e82d 100644
--- a/frontend/src/viewer/CanvasLayer.tsx
+++ b/frontend/src/viewer/CanvasLayer.tsx
@@ -60,43 +60,7 @@ export const CanvasLayer: React.FC<CanvasLayerProps> = ({
       ctx.drawImage(img, 0, 0, width, height);
       ctx.restore();
 
-      // Render vector ops on top
-      if (vectorOps && vectorOps.length > 0) {
-        ctx.save();
-        ctx.translate(0, height);
-        ctx.scale(1, -1);
-        ctx.strokeStyle = 'rgba(255, 0, 0, 0.5)';
-        ctx.fillStyle = 'rgba(0, 0, 255, 0.2)';
-        ctx.lineWidth = 1;
 
-        ctx.beginPath();
-        for (const op of vectorOps) {
-          if (op.op === 'm' && op.args && op.args.length === 2) {
-            ctx.moveTo(op.args[0], op.args[1]);
-          } else if (op.op === 'l' && op.args && op.args.length === 2) {
-            ctx.lineTo(op.args[0], op.args[1]);
-          } else if (op.op === 'c' && op.args && op.args.length === 6) {
-            ctx.bezierCurveTo(op.args[0], op.args[1], op.args[2], op.args[3], op.args[4], op.args[5]);
-          } else if (op.op === 're' && op.args && op.args.length === 4) {
-            ctx.rect(op.args[0], op.args[1], op.args[2], op.args[3]);
-          } else if (op.op === 'h') {
-            ctx.closePath();
-          } else if (op.op === 'S' || op.op === 's') {
-            ctx.stroke();
-            ctx.beginPath();
-          } else if (op.op === 'f' || op.op === 'F') {
-            ctx.fill();
-            ctx.beginPath();
-          } else if (op.op === 'B' || op.op === 'b') {
-            ctx.fill();
-            ctx.stroke();
-            ctx.beginPath();
-          } else if (op.op === 'n') {
-            ctx.beginPath();
-          }
-        }
-        ctx.restore();
-      }
 
       onRenderComplete?.(pageIndex);
     };