diff --git a/analysis_options.yaml b/analysis_options.yaml
index bcff04b..246b080 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,3 +1,4 @@
+include: package:pedantic/analysis_options.yaml
 analyzer:
   errors:
     dead_code: error
diff --git a/lib/src/core_matchers.dart b/lib/src/core_matchers.dart
index 73570e3..86bb1db 100644
--- a/lib/src/core_matchers.dart
+++ b/lib/src/core_matchers.dart
@@ -163,7 +163,7 @@
 
 class _HasLength extends Matcher {
   final Matcher _matcher;
-  const _HasLength([Matcher matcher]) : this._matcher = matcher;
+  const _HasLength([Matcher matcher]) : _matcher = matcher;
 
   bool matches(item, Map matchState) {
     try {
diff --git a/lib/src/custom_matcher.dart b/lib/src/custom_matcher.dart
index 43ccaa9..c3c7270 100644
--- a/lib/src/custom_matcher.dart
+++ b/lib/src/custom_matcher.dart
@@ -36,7 +36,7 @@
   final Matcher _matcher;
 
   CustomMatcher(this._featureDescription, this._featureName, matcher)
-      : this._matcher = wrapMatcher(matcher);
+      : _matcher = wrapMatcher(matcher);
 
   /// Override this to extract the interesting feature.
   Object featureValueOf(actual) => actual;
diff --git a/lib/src/equals_matcher.dart b/lib/src/equals_matcher.dart
index 31e369b..52f6688 100644
--- a/lib/src/equals_matcher.dart
+++ b/lib/src/equals_matcher.dart
@@ -97,7 +97,7 @@
   final Object _expected;
   final int _limit;
 
-  _DeepMatcher(this._expected, [int limit = 1000]) : this._limit = limit;
+  _DeepMatcher(this._expected, [int limit = 1000]) : _limit = limit;
 
   // Returns a pair (reason, location)
   List<String> _compareIterables(Iterable expected, Object actual,
diff --git a/lib/src/having_matcher.dart b/lib/src/having_matcher.dart
index 1684a93..8ca98c6 100644
--- a/lib/src/having_matcher.dart
+++ b/lib/src/having_matcher.dart
@@ -16,8 +16,8 @@
   HavingMatcher(TypeMatcher<T> parent, String description,
       Object feature(T source), Object matcher,
       [Iterable<_FunctionMatcher> existing])
-      : this._parent = parent,
-        this._functionMatchers = <_FunctionMatcher>[]
+      : _parent = parent,
+        _functionMatchers = <_FunctionMatcher>[]
           ..addAll(existing ?? [])
           ..add(new _FunctionMatcher<T>(description, feature, matcher));
 
diff --git a/lib/src/order_matchers.dart b/lib/src/order_matchers.dart
index 829aadb..a62ffb9 100644
--- a/lib/src/order_matchers.dart
+++ b/lib/src/order_matchers.dart
@@ -72,7 +72,7 @@
   const _OrderingMatcher(this._value, this._equalValue, this._lessThanValue,
       this._greaterThanValue, this._comparisonDescription,
       [bool valueInDescription = true])
-      : this._valueInDescription = valueInDescription;
+      : _valueInDescription = valueInDescription;
 
   bool matches(item, Map matchState) {
     if (item == _value) {
diff --git a/lib/src/type_matcher.dart b/lib/src/type_matcher.dart
index 91552c9..1f2db26 100644
--- a/lib/src/type_matcher.dart
+++ b/lib/src/type_matcher.dart
@@ -47,7 +47,7 @@
       [@Deprecated('Provide a type argument to TypeMatcher and omit the name. '
           'This argument will be removed in the next release.')
           String name])
-      : this._name =
+      : _name =
             // ignore: deprecated_member_use
             name;
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 5250a12..7c598b9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -12,6 +12,7 @@
   stack_trace: ^1.2.0
 
 dev_dependencies:
+  pedantic: ^1.4.0
   test: '>=0.12.0 <2.0.0'
 
 dependency_overrides: