diff --git a/.eslintrc.js b/.eslintrc.js
index d062c8460b038..f1680954b17f2 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -94,6 +94,7 @@ module.exports = {
 							'stubFalse',
 							'stubTrue',
 							'sum',
+							'sumBy',
 						],
 						message:
 							'This Lodash method is not recommended. Please use native functionality instead. If using `memoize`, please use `memize` instead.',
diff --git a/packages/block-library/src/columns/utils.js b/packages/block-library/src/columns/utils.js
index 1d3c0bc5238b9..b75a7ad77bba1 100644
--- a/packages/block-library/src/columns/utils.js
+++ b/packages/block-library/src/columns/utils.js
@@ -1,7 +1,7 @@
 /**
  * External dependencies
  */
-import { sumBy, merge, mapValues } from 'lodash';
+import { merge, mapValues } from 'lodash';
 
 /**
  * Returns a column width attribute value rounded to standard precision.
@@ -44,8 +44,10 @@ export function getTotalColumnsWidth(
 	blocks,
 	totalBlockCount = blocks.length
 ) {
-	return sumBy( blocks, ( block ) =>
-		getEffectiveColumnWidth( block, totalBlockCount )
+	return blocks.reduce(
+		( sum, block ) =>
+			sum + getEffectiveColumnWidth( block, totalBlockCount ),
+		0
 	);
 }