diff --git a/packages/cli/src/ui/components/shared/MaxSizedBox.test.tsx b/packages/cli/src/ui/components/shared/MaxSizedBox.test.tsx
index 6d25efffb9..d21cebe971 100644
--- a/packages/cli/src/ui/components/shared/MaxSizedBox.test.tsx
+++ b/packages/cli/src/ui/components/shared/MaxSizedBox.test.tsx
@@ -6,7 +6,7 @@
 
 import { render, renderWithProviders } from '../../../test-utils/render.js';
 import { OverflowProvider } from '../../contexts/OverflowContext.js';
-import { MaxSizedBox, ceilHeight } from './MaxSizedBox.js';
+import { MaxSizedBox } from './MaxSizedBox.js';
 import { MarkdownDisplay } from '../../utils/MarkdownDisplay.js';
 import { Box, Text } from 'ink';
 import { act } from 'react';
@@ -316,17 +316,4 @@ describe('<MaxSizedBox />', () => {
     expect(lastFrame()).toMatchSnapshot();
     unmount();
   });
-
-  describe('ceilHeight', () => {
-    it('should round up fractional heights to next integer', () => {
-      expect(ceilHeight(2.1)).toBe(3);
-      expect(ceilHeight(2.9)).toBe(3);
-      expect(ceilHeight(2.0)).toBe(2);
-      expect(ceilHeight(0.1)).toBe(1);
-    });
-
-    it('should handle zero correctly', () => {
-      expect(ceilHeight(0)).toBe(0);
-    });
-  });
 });
diff --git a/packages/cli/src/ui/components/shared/MaxSizedBox.tsx b/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
index e659ce94b1..afc3c3cc10 100644
--- a/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
+++ b/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
@@ -28,9 +28,6 @@ export interface MaxSizedBoxProps {
   additionalHiddenLinesCount?: number;
 }
 
-/** Ensures that fractional heights are correctly identified as overflowing. */
-export const ceilHeight = (height: number): number => Math.ceil(height);
-
 /**
  * A React component that constrains the size of its children and provides
  * content-aware truncation when the content exceeds the specified `maxHeight`.
@@ -58,8 +55,7 @@ export const MaxSizedBox: React.FC<MaxSizedBoxProps> = ({
         const observer = new ResizeObserver((entries) => {
           const entry = entries[0];
           if (entry) {
-            // Use ceilHeight to ensure that fractional heights (e.g. from zooming) that exceed the limit are correctly identified as overflowing.
-            setContentHeight(ceilHeight(entry.contentRect.height));
+            setContentHeight(entry.contentRect.height);
           }
         });
         observer.observe(node);