diff --git a/src/components/calendar/Controls.tsx b/src/components/calendar/Controls.tsx
index 6806b10..ba2377c 100644
--- a/src/components/calendar/Controls.tsx
+++ b/src/components/calendar/Controls.tsx
@@ -10,12 +10,12 @@ interface ControlsProps {
   monthCutoff: MonthCutoffType;
   size: DaySize;
   fontProportion: number;
-  magnify: boolean;
+  magnify?: boolean;
   onHeaderStyleChange: (type: HeaderStyle) => void;
   onMonthCutoffChange: (type: MonthCutoffType) => void;
   onSizeChange: (size: DaySize) => void;
   onFontProportionChange: (proportion: number) => void;
-  onMagnifyChange: (magnify: boolean) => void;
+  onMagnifyChange?: (magnify: boolean) => void;
 }
 
 export const Controls: React.FC<ControlsProps> = ({
@@ -113,14 +113,16 @@ export const Controls: React.FC<ControlsProps> = ({
         </Button>
       </ButtonGroup>
 
-      <ButtonGroup>
-        <Button
-          active={magnify}
-          onClick={() => onMagnifyChange(!magnify)}
-        >
-          {magnify ? 'Magnify On -> Turn off' : 'Magnify Off - Turn on'}
-        </Button>
-      </ButtonGroup>
+      {(magnify !== undefined && onMagnifyChange !== undefined && (
+        <ButtonGroup>
+          <Button
+            active={magnify}
+            onClick={() => onMagnifyChange(!magnify)}
+          >
+            {magnify ? 'Magnify On -> Turn off' : 'Magnify Off - Turn on'}
+          </Button>
+        </ButtonGroup>
+      )) || null}
 
       <RangeInput
         value={fontProportion}
diff --git a/src/components/calendar/Week/types.ts b/src/components/calendar/Week/types.ts
deleted file mode 100644
index 9793095..0000000
--- a/src/components/calendar/Week/types.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { DayViewType, DayVariation } from '../../../types/calendar';
-
-export interface WeekContainerProps {
-  viewType: DayViewType;
-  isOtherMonth?: boolean;
-  variations?: DayVariation[];
-}
-
-export interface DayHeaderProps {
-  viewType: DayViewType;
-  variations?: DayVariation[];
-}
-
-export interface DayNumberProps {
-  viewType: DayViewType;
-  variations?: DayVariation[];
-}