diff --git a/src/components/CandleChart.tsx b/src/components/CandleChart.tsx
index 4470f30..af13d26 100644
--- a/src/components/CandleChart.tsx
+++ b/src/components/CandleChart.tsx
@@ -763,25 +763,25 @@ const CandleChart = forwardRef<CandleChartHandle, CandleChartProps>(
           const timestamp = typeof time === 'string' ? Date.parse(time) / 1000 : (time as number);
           
           // First, check for line hit using primitives' hitTest
-          let lineHit: { id: number; primitive: TrendLine } | null = null;
+          let deleteLineHit: { id: number; primitive: TrendLine } | null = null;
           linePrimitivesRef.current.forEach((primitive, id) => {
             const hit = primitive.hitTest(timeCoordinate, priceCoordinate);
             if (hit) {
-              lineHit = { id, primitive };
+              deleteLineHit = { id, primitive };
             }
           });
 
-          if (lineHit) {
+          if (deleteLineHit) {
             // Delete the clicked line
             try {
-              const response = await fetch(`/api/annotations/${lineHit.id}`, {
+              const response = await fetch(`/api/annotations/${deleteLineHit.id}`, {
                 method: 'DELETE',
               });
 
               if (response.ok) {
-                seriesRef.current!.detachPrimitive(lineHit.primitive);
-                linePrimitivesRef.current.delete(lineHit.id);
-                if (selectedLineId === lineHit.id) {
+                seriesRef.current!.detachPrimitive(deleteLineHit.primitive);
+                linePrimitivesRef.current.delete(deleteLineHit.id);
+                if (selectedLineId === deleteLineHit.id) {
                   setSelectedLineId(null);
                 }
                 await fetchAnnotations();