diff --git a/src/components/views/EfficiencyView.tsx b/src/components/views/EfficiencyView.tsx
index 264552d..7a40d2f 100644
--- a/src/components/views/EfficiencyView.tsx
+++ b/src/components/views/EfficiencyView.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { AreaChart, Area, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer, BarChart, Bar, Legend, Cell } from 'recharts';
+import { AreaChart, Area, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer, BarChart, Bar, Legend } from 'recharts';
 import { StatCard } from '../ui/StatCard';
 import { Activity, Target, TrendingUp, Zap, Clock, Radio, AlertCircle } from 'lucide-react';