diff --git a/components/units/converter/ConversionHistory.tsx b/components/units/converter/ConversionHistory.tsx
deleted file mode 100644
index 0f61f43..0000000
--- a/components/units/converter/ConversionHistory.tsx
+++ /dev/null
@@ -1,122 +0,0 @@
-'use client';
-
-import { useState, useEffect } from 'react';
-import { History, Trash2, ArrowRight } from 'lucide-react';
-import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/Card';
-import { Button } from '@/components/ui/Button';
-import {
-  getHistory,
-  clearHistory,
-  type ConversionRecord,
-} from '@/lib/units/storage';
-import { getRelativeTime, formatNumber } from '@/lib/utils';
-import { formatMeasureName } from '@/lib/units/units';
-
-interface ConversionHistoryProps {
-  onSelectConversion?: (record: ConversionRecord) => void;
-}
-
-export default function ConversionHistory({
-  onSelectConversion,
-}: ConversionHistoryProps) {
-  const [history, setHistory] = useState<ConversionRecord[]>([]);
-  const [isOpen, setIsOpen] = useState(false);
-
-  useEffect(() => {
-    loadHistory();
-
-    // Listen for storage changes
-    const handleStorageChange = () => {
-      loadHistory();
-    };
-
-    window.addEventListener('storage', handleStorageChange);
-    // Also listen for custom event from same window
-    window.addEventListener('historyUpdated', handleStorageChange);
-
-    return () => {
-      window.removeEventListener('storage', handleStorageChange);
-      window.removeEventListener('historyUpdated', handleStorageChange);
-    };
-  }, []);
-
-  const loadHistory = () => {
-    setHistory(getHistory());
-  };
-
-  const handleClearHistory = () => {
-    if (confirm('Clear all conversion history?')) {
-      clearHistory();
-      loadHistory();
-    }
-  };
-
-  if (history.length === 0) {
-    return null;
-  }
-
-  return (
-    <Card>
-      <CardHeader>
-        <div className="flex items-center justify-between">
-          <CardTitle className="flex items-center gap-2">
-            <History className="h-5 w-5" />
-            Recent Conversions
-          </CardTitle>
-          <div className="flex items-center gap-2">
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={() => setIsOpen(!isOpen)}
-            >
-              {isOpen ? 'Hide' : `Show (${history.length})`}
-            </Button>
-            {history.length > 0 && (
-              <Button
-                variant="ghost"
-                size="icon"
-                onClick={handleClearHistory}
-                className="h-8 w-8"
-              >
-                <Trash2 className="h-4 w-4" />
-              </Button>
-            )}
-          </div>
-        </div>
-      </CardHeader>
-
-      {isOpen && (
-        <CardContent>
-          <div className="space-y-2">
-            {history.map((record) => (
-              <button
-                key={record.id}
-                onClick={() => onSelectConversion?.(record)}
-                className="w-full p-3 rounded-lg border hover:bg-accent transition-colors text-left"
-              >
-                <div className="flex items-center justify-between gap-4">
-                  <div className="flex-1 min-w-0">
-                    <div className="flex items-center gap-2 text-sm font-medium">
-                      <span className="truncate">
-                        {formatNumber(record.from.value)} {record.from.unit}
-                      </span>
-                      <ArrowRight className="h-3 w-3 flex-shrink-0" />
-                      <span className="truncate">
-                        {formatNumber(record.to.value)} {record.to.unit}
-                      </span>
-                    </div>
-                    <div className="flex items-center gap-2 text-xs text-muted-foreground mt-1">
-                      <span>{formatMeasureName(record.measure as any)}</span>
-                      <span>•</span>
-                      <span>{getRelativeTime(record.timestamp)}</span>
-                    </div>
-                  </div>
-                </div>
-              </button>
-            ))}
-          </div>
-        </CardContent>
-      )}
-    </Card>
-  );
-}
diff --git a/components/units/converter/MainConverter.tsx b/components/units/converter/MainConverter.tsx
index 419d25b..6064215 100644
--- a/components/units/converter/MainConverter.tsx
+++ b/components/units/converter/MainConverter.tsx
@@ -6,7 +6,6 @@ import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/Card';
 import { Input } from '@/components/ui/Input';
 import { Button } from '@/components/ui/Button';
 import SearchUnits from './SearchUnits';
-import ConversionHistory from './ConversionHistory';
 import VisualComparison from './VisualComparison';
 import CommandPalette from '@/components/units/ui/CommandPalette';
 import {
@@ -21,7 +20,7 @@ import {
   type ConversionResult,
 } from '@/lib/units/units';
 import { parseNumberInput, formatNumber, cn } from '@/lib/utils';
-import { saveToHistory, getFavorites, toggleFavorite } from '@/lib/units/storage';
+import { getFavorites, toggleFavorite } from '@/lib/units/storage';
 
 export default function MainConverter() {
   const [selectedMeasure, setSelectedMeasure] = useState<Measure>('length');
@@ -93,39 +92,12 @@ export default function MainConverter() {
     setFavorites(getFavorites());
   }, []);
 
-  // Save to history when conversion happens (but not during dragging)
-  useEffect(() => {
-    if (isDragging) return; // Don't save to history while dragging
-
-    const numValue = parseNumberInput(inputValue);
-    if (numValue !== null && selectedUnit && conversions.length > 0) {
-      // Save first conversion to history
-      const firstConversion = conversions.find(c => c.unit !== selectedUnit);
-      if (firstConversion) {
-        saveToHistory({
-          from: { value: numValue, unit: selectedUnit },
-          to: { value: firstConversion.value, unit: firstConversion.unit },
-          measure: selectedMeasure,
-        });
-        // Dispatch custom event for same-window updates
-        window.dispatchEvent(new Event('historyUpdated'));
-      }
-    }
-  }, [inputValue, selectedUnit, conversions, selectedMeasure, isDragging]);
-
   // Handle search selection
   const handleSearchSelect = useCallback((unit: string, measure: Measure) => {
     setSelectedMeasure(measure);
     setSelectedUnit(unit);
   }, []);
 
-  // Handle history selection
-  const handleHistorySelect = useCallback((record: any) => {
-    setInputValue(record.from.value.toString());
-    setSelectedMeasure(record.measure);
-    setSelectedUnit(record.from.unit);
-  }, []);
-
   // Handle value change from draggable bars
   const handleValueChange = useCallback((value: number, unit: string, dragging: boolean) => {
     setIsDragging(dragging);
@@ -337,9 +309,6 @@ export default function MainConverter() {
           )}
         </CardContent>
       </Card>
-
-      {/* Conversion History */}
-      <ConversionHistory onSelectConversion={handleHistorySelect} />
     </div>
   );
 }
diff --git a/components/units/ui/CommandPalette.tsx b/components/units/ui/CommandPalette.tsx
index e05f3c7..e5a594e 100644
--- a/components/units/ui/CommandPalette.tsx
+++ b/components/units/ui/CommandPalette.tsx
@@ -1,7 +1,7 @@
 'use client';
 
 import { useState, useEffect, useCallback, useRef } from 'react';
-import { Command, Hash, Clock, Star, Moon, Sun } from 'lucide-react';
+import { Command, Hash, Star, Moon, Sun } from 'lucide-react';
 import { useTheme } from '@/components/providers/ThemeProvider';
 import {
   getAllMeasures,
@@ -10,7 +10,7 @@ import {
   getCategoryColorHex,
   type Measure,
 } from '@/lib/units/units';
-import { getHistory, getFavorites } from '@/lib/units/storage';
+import { getFavorites } from '@/lib/units/storage';
 import { cn } from '@/lib/utils';
 
 interface CommandPaletteProps {
diff --git a/lib/units/storage.ts b/lib/units/storage.ts
index 5411af8..b5796db 100644
--- a/lib/units/storage.ts
+++ b/lib/units/storage.ts
@@ -2,63 +2,7 @@
  * LocalStorage utilities for persisting user data
  */
 
-export interface ConversionRecord {
-  id: string;
-  timestamp: number;
-  from: {
-    value: number;
-    unit: string;
-  };
-  to: {
-    value: number;
-    unit: string;
-  };
-  measure: string;
-}
-
-const HISTORY_KEY = 'units-ui-history';
 const FAVORITES_KEY = 'units-ui-favorites';
-const MAX_HISTORY = 50;
-
-/**
- * Save conversion to history
- */
-export function saveToHistory(record: Omit<ConversionRecord, 'id' | 'timestamp'>): void {
-  if (typeof window === 'undefined') return;
-
-  const history = getHistory();
-  const newRecord: ConversionRecord = {
-    ...record,
-    id: crypto.randomUUID(),
-    timestamp: Date.now(),
-  };
-
-  // Add to beginning and limit size
-  const updated = [newRecord, ...history].slice(0, MAX_HISTORY);
-  localStorage.setItem(HISTORY_KEY, JSON.stringify(updated));
-}
-
-/**
- * Get conversion history
- */
-export function getHistory(): ConversionRecord[] {
-  if (typeof window === 'undefined') return [];
-
-  try {
-    const stored = localStorage.getItem(HISTORY_KEY);
-    return stored ? JSON.parse(stored) : [];
-  } catch {
-    return [];
-  }
-}
-
-/**
- * Clear conversion history
- */
-export function clearHistory(): void {
-  if (typeof window === 'undefined') return;
-  localStorage.removeItem(HISTORY_KEY);
-}
 
 /**
  * Get favorite units