diff --git a/lighthouse-cli/test/smokehouse/test-definitions/byte-efficiency/expectations.js b/lighthouse-cli/test/smokehouse/test-definitions/byte-efficiency/expectations.js
index 930350ce4200..22479ecea38a 100644
--- a/lighthouse-cli/test/smokehouse/test-definitions/byte-efficiency/expectations.js
+++ b/lighthouse-cli/test/smokehouse/test-definitions/byte-efficiency/expectations.js
@@ -19,6 +19,10 @@ const expectations = [
           async: false,
           defer: false,
           source: 'head',
+          // Only do a single assertion for `devtoolsNodePath`: this can be flaky for elements
+          // deep in the DOM, and the sample LHR test has plenty of places that would catch
+          // a regression in `devtoolsNodePath` calculation. Keep just one for the benefit
+          // of other smoke test runners.
           devtoolsNodePath: '2,HTML,0,HEAD,3,SCRIPT',
         },
         {
@@ -27,7 +31,6 @@ const expectations = [
           async: false,
           defer: false,
           source: 'head',
-          devtoolsNodePath: '2,HTML,0,HEAD,5,SCRIPT',
         },
         {
           type: null,
@@ -35,7 +38,6 @@ const expectations = [
           async: false,
           defer: false,
           source: 'head',
-          devtoolsNodePath: '2,HTML,0,HEAD,6,SCRIPT',
         },
         {
           type: null,
@@ -43,7 +45,7 @@ const expectations = [
           async: false,
           defer: false,
           source: 'body',
-          devtoolsNodePath: '2,HTML,1,BODY,0,DIV,3,SCRIPT',
+          content: /shadowRoot/,
         },
         {
           type: null,
@@ -51,7 +53,7 @@ const expectations = [
           async: false,
           defer: false,
           source: 'body',
-          devtoolsNodePath: '2,HTML,1,BODY,3,SCRIPT',
+          content: /generateInlineStyleWithSize/,
         },
         {
           type: null,
@@ -59,7 +61,6 @@ const expectations = [
           async: true,
           defer: false,
           source: 'body',
-          devtoolsNodePath: '2,HTML,1,BODY,1438,SCRIPT',
         },
         {
           type: null,
@@ -67,7 +68,6 @@ const expectations = [
           async: false,
           defer: false,
           source: 'body',
-          devtoolsNodePath: '2,HTML,1,BODY,1439,SCRIPT',
           content: /Used block #1/,
         },
         {
@@ -76,7 +76,6 @@ const expectations = [
           async: false,
           defer: false,
           source: 'body',
-          devtoolsNodePath: '2,HTML,1,BODY,1440,SCRIPT',
           content: /Unused block #1/,
         },
       ],