6 files changed, 10 insertions, 8 deletions
diff --git a/devtools/client/inspector/animation/components/App.js b/devtools/client/inspector/animation/components/App.js
index 75a000286c..74ce8e7b40 100644
--- a/devtools/client/inspector/animation/components/App.js
+++ b/devtools/client/inspector/animation/components/App.js
@@ -60,7 +60,7 @@ class App extends Component {
     };
   }
 
-  shouldComponentUpdate(nextProps, nextState) {
+  shouldComponentUpdate(nextProps) {
     return (
       this.props.animations.length !== 0 || nextProps.animations.length !== 0
     );
diff --git a/devtools/client/inspector/animation/components/NoAnimationPanel.js b/devtools/client/inspector/animation/components/NoAnimationPanel.js
index ea034e413d..260325518b 100644
--- a/devtools/client/inspector/animation/components/NoAnimationPanel.js
+++ b/devtools/client/inspector/animation/components/NoAnimationPanel.js
@@ -26,7 +26,7 @@ class NoAnimationPanel extends Component {
     };
   }
 
-  shouldComponentUpdate(nextProps, nextState) {
+  shouldComponentUpdate(nextProps) {
     return this.props.elementPickerEnabled != nextProps.elementPickerEnabled;
   }
 
diff --git a/devtools/client/inspector/animation/components/PlaybackRateSelector.js b/devtools/client/inspector/animation/components/PlaybackRateSelector.js
index 2d0de53a0c..9f2c56cdb6 100644
--- a/devtools/client/inspector/animation/components/PlaybackRateSelector.js
+++ b/devtools/client/inspector/animation/components/PlaybackRateSelector.js
@@ -28,7 +28,7 @@ class PlaybackRateSelector extends PureComponent {
     };
   }
 
-  static getDerivedStateFromProps(props, state) {
+  static getDerivedStateFromProps(props) {
     const { animations, playbackRates } = props;
 
     const currentPlaybackRates = sortAndUnique(
diff --git a/devtools/client/inspector/animation/test/browser_animation_keyframes-progress-bar.js b/devtools/client/inspector/animation/test/browser_animation_keyframes-progress-bar.js
index a7051d9a01..bb69249907 100644
--- a/devtools/client/inspector/animation/test/browser_animation_keyframes-progress-bar.js
+++ b/devtools/client/inspector/animation/test/browser_animation_keyframes-progress-bar.js
@@ -91,7 +91,7 @@ add_task(async function () {
   }
 });
 
-function assertPosition(barEl, areaEl, expectedRate, animationInspector) {
+function assertPosition(barEl, areaEl, expectedRate) {
   const controllerBounds = areaEl.getBoundingClientRect();
   const barBounds = barEl.getBoundingClientRect();
   const barX = barBounds.x + barBounds.width / 2 - controllerBounds.x;
diff --git a/devtools/client/inspector/animation/test/summary-graph_delay-sign_head.js b/devtools/client/inspector/animation/test/summary-graph_delay-sign_head.js
index fd601821b6..fffd653b1d 100644
--- a/devtools/client/inspector/animation/test/summary-graph_delay-sign_head.js
+++ b/devtools/client/inspector/animation/test/summary-graph_delay-sign_head.js
@@ -75,8 +75,9 @@ async function testSummaryGraphDelaySign() {
       function assertExpected(key) {
         const actual = parseFloat(delaySignEl.style[key]);
         const expected = parseFloat(expectedResult[key]);
-        ok(
-          Math.abs(actual - expected) < 0.01,
+        Assert.less(
+          Math.abs(actual - expected),
+          0.01,
           `${key} should be ${expected} (got ${actual})`
         );
       }
diff --git a/devtools/client/inspector/animation/test/summary-graph_end-delay-sign_head.js b/devtools/client/inspector/animation/test/summary-graph_end-delay-sign_head.js
index f87a554420..09838fcadf 100644
--- a/devtools/client/inspector/animation/test/summary-graph_end-delay-sign_head.js
+++ b/devtools/client/inspector/animation/test/summary-graph_end-delay-sign_head.js
@@ -69,8 +69,9 @@ async function testSummaryGraphEndDelaySign() {
       function assertExpected(key) {
         const actual = parseFloat(endDelaySignEl.style[key]);
         const expected = parseFloat(expectedResult[key]);
-        ok(
-          Math.abs(actual - expected) < 0.01,
+        Assert.less(
+          Math.abs(actual - expected),
+          0.01,
           `${key} should be ${expected} (got ${actual})`
         );
       }