diff --git a/src/dev/build/lib/fs.js b/src/dev/build/lib/fs.js
index f0e70ce9fc837..cbc87d09d80d3 100644
--- a/src/dev/build/lib/fs.js
+++ b/src/dev/build/lib/fs.js
@@ -95,12 +95,14 @@ export async function copy(source, destination) {
   await chmodAsync(destination, stat.mode);
 }
 
-export async function deleteAll(log, patterns) {
+export async function deleteAll(patterns, log) {
   if (!Array.isArray(patterns)) {
     throw new TypeError('Expected patterns to be an array');
   }
 
-  log.debug('Deleting patterns:', longInspect(patterns));
+  if (log) {
+    log.debug('Deleting patterns:', longInspect(patterns));
+  }
 
   for (const pattern of patterns) {
     assertAbsolute(pattern.startsWith('!') ? pattern.slice(1) : pattern);
@@ -109,8 +111,11 @@ export async function deleteAll(log, patterns) {
   const files = await del(patterns, {
     concurrency: 4
   });
-  log.debug('Deleted %d files/directories', files.length);
-  log.verbose('Deleted:', longInspect(files));
+
+  if (log) {
+    log.debug('Deleted %d files/directories', files.length);
+    log.verbose('Deleted:', longInspect(files));
+  }
 }
 
 export async function deleteEmptyFolders(log, rootFolderPath, foldersToKeep) {
diff --git a/src/dev/build/tasks/clean_tasks.js b/src/dev/build/tasks/clean_tasks.js
index 0ee189352167b..05e99db859775 100644
--- a/src/dev/build/tasks/clean_tasks.js
+++ b/src/dev/build/tasks/clean_tasks.js
@@ -26,10 +26,10 @@ export const CleanTask = {
   description: 'Cleaning artifacts from previous builds',
 
   async run(config, log) {
-    await deleteAll(log, [
+    await deleteAll([
       config.resolveFromRepo('build'),
       config.resolveFromRepo('target'),
-    ]);
+    ], log);
   },
 };
 
@@ -38,11 +38,11 @@ export const CleanPackagesTask = {
     'Cleaning source for packages that are now installed in node_modules',
 
   async run(config, log, build) {
-    await deleteAll(log, [
+    await deleteAll([
       build.resolvePath('packages'),
       build.resolvePath('x-pack'),
       build.resolvePath('yarn.lock'),
-    ]);
+    ], log);
   },
 };
 
@@ -176,14 +176,14 @@ export const CleanExtraBinScriptsTask = {
   async run(config, log, build) {
     for (const platform of config.getNodePlatforms()) {
       if (platform.isWindows()) {
-        await deleteAll(log, [
+        await deleteAll([
           build.resolvePathForPlatform(platform, 'bin', '*'),
           `!${build.resolvePathForPlatform(platform, 'bin', '*.bat')}`,
-        ]);
+        ], log);
       } else {
-        await deleteAll(log, [
+        await deleteAll([
           build.resolvePathForPlatform(platform, 'bin', '*.bat'),
-        ]);
+        ], log);
       }
     }
   },
@@ -224,11 +224,11 @@ export const CleanExtraBrowsersTask = {
     for (const platform of config.getNodePlatforms()) {
       const getBrowserPaths = getBrowserPathsForPlatform(platform);
       if (platform.isWindows()) {
-        await deleteAll(log, getBrowserPaths({ linux: true, darwin: true }));
+        await deleteAll(getBrowserPaths({ linux: true, darwin: true }), log);
       } else if (platform.isMac()) {
-        await deleteAll(log, getBrowserPaths({ linux: true, windows: true }));
+        await deleteAll(getBrowserPaths({ linux: true, windows: true }), log);
       } else if (platform.isLinux()) {
-        await deleteAll(log, getBrowserPaths({ windows: true, darwin: true }));
+        await deleteAll(getBrowserPaths({ windows: true, darwin: true }), log);
       }
     }
   },
diff --git a/src/dev/build/tasks/nodejs/clean_node_builds_task.js b/src/dev/build/tasks/nodejs/clean_node_builds_task.js
index 8abfdcbf10ace..64fd7c6be3a01 100644
--- a/src/dev/build/tasks/nodejs/clean_node_builds_task.js
+++ b/src/dev/build/tasks/nodejs/clean_node_builds_task.js
@@ -25,11 +25,11 @@ export const CleanNodeBuildsTask = {
 
   async run(config, log, build) {
     for (const platform of config.getNodePlatforms()) {
-      await deleteAll(log, [
+      await deleteAll([
         build.resolvePathForPlatform(platform, 'node/lib/node_modules'),
         build.resolvePathForPlatform(platform, 'node/bin/npm'),
         build.resolvePathForPlatform(platform, 'node/bin/npx'),
-      ]);
+      ], log);
     }
   },
 };
diff --git a/src/dev/build/tasks/nodejs_modules/webpack_dll.js b/src/dev/build/tasks/nodejs_modules/webpack_dll.js
index 367a7e6120e29..4ee2590d4b789 100644
--- a/src/dev/build/tasks/nodejs_modules/webpack_dll.js
+++ b/src/dev/build/tasks/nodejs_modules/webpack_dll.js
@@ -83,7 +83,7 @@ export async function cleanDllModuleFromEntryPath(logger, entryPath) {
     `!${moduleDir}/**/*.+(gif|ico|jpeg|jpg|tiff|tif|svg|png|webp)`,
     `!${modulePkgPath}`,
   ]);
-  await deleteAll(logger, deletePatterns);
+  await deleteAll(deletePatterns);
 
   // Mark this module as cleaned
   modulePkg.cleaned = true;
diff --git a/src/dev/build/tasks/optimize_task.js b/src/dev/build/tasks/optimize_task.js
index c71f8cc7d9c8b..5dde9990f8e9c 100644
--- a/src/dev/build/tasks/optimize_task.js
+++ b/src/dev/build/tasks/optimize_task.js
@@ -52,6 +52,6 @@ export const OptimizeBuildTask = {
     });
 
     // clean up temporary node install
-    await deleteAll(log, [tempNodeInstallDir]);
+    await deleteAll([tempNodeInstallDir], log);
   },
 };