diff --git a/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker.dart b/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker.dart
index a9b56eb7..9cccd9bc 100644
--- a/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker.dart
+++ b/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker.dart
@@ -36,7 +36,7 @@ void enableLeakTracking({
   bool resetIfAlreadyEnabled = false,
 }) {
   assert(() {
-    final theConfig = config ??= LeakTrackingConfiguration();
+    final theConfig = config ??= const LeakTrackingConfiguration();
     if (_objectTracker.value != null) {
       if (!resetIfAlreadyEnabled) {
         throw StateError('Leak tracking is already enabled.');
diff --git a/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker_model.dart b/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker_model.dart
index 2b94dda6..39069b5f 100644
--- a/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker_model.dart
+++ b/pkgs/leak_tracker/lib/src/leak_tracking/leak_tracker_model.dart
@@ -61,7 +61,7 @@ class LeakDiagnosticConfig {
 }
 
 class LeakTrackingConfiguration {
-  LeakTrackingConfiguration({
+  const LeakTrackingConfiguration({
     this.stdoutLeaks = true,
     this.notifyDevTools = true,
     this.onLeaks,
diff --git a/pkgs/leak_tracker/test/release/leak_tracking/_leak_checker_test.dart b/pkgs/leak_tracker/test/release/leak_tracking/_leak_checker_test.dart
index ed445de4..215ca92c 100644
--- a/pkgs/leak_tracker/test/release/leak_tracking/_leak_checker_test.dart
+++ b/pkgs/leak_tracker/test/release/leak_tracking/_leak_checker_test.dart
@@ -17,8 +17,7 @@ class _SummaryValues {
     LeakType.notGCed: 3,
   });
 
-  static final nonZeroCopy =
-      LeakSummary(<LeakType, int>{}..addAll(nonZero.totals));
+  static final nonZeroCopy = LeakSummary(<LeakType, int>{}..addAll(nonZero.totals));
 }
 
 void main() {
@@ -71,7 +70,7 @@ void main() {
     );
 
     // Mock defaults match real configuration defaults.
-    final config = LeakTrackingConfiguration();
+    const config = LeakTrackingConfiguration();
     final checker = defaultLeakChecker();
     expect(config.notifyDevTools, checker.devToolsSink != null);
     expect(config.stdoutLeaks, checker.stdoutSink != null);