diff --git a/example/all.yaml b/example/all.yaml
index f96836c1c..c89b8fd72 100644
--- a/example/all.yaml
+++ b/example/all.yaml
@@ -5,7 +5,6 @@ linter:
     - always_declare_return_types
     - always_put_control_body_on_new_line
     - always_put_required_named_parameters_first
-    - always_require_non_null_named_parameters
     - always_specify_types
     - always_use_package_imports
     - annotate_overrides
@@ -34,8 +33,6 @@ linter:
     - avoid_relative_lib_imports
     - avoid_renaming_method_parameters
     - avoid_return_types_on_setters
-    - avoid_returning_null
-    - avoid_returning_null_for_future
     - avoid_returning_null_for_void
     - avoid_returning_this
     - avoid_setters_without_getters
@@ -123,7 +120,6 @@ linter:
     - prefer_constructors_over_static_methods
     - prefer_contains
     - prefer_double_quotes
-    - prefer_equal_for_default_values
     - prefer_expression_function_bodies
     - prefer_final_fields
     - prefer_final_in_for_each
diff --git a/lib/src/rules/always_require_non_null_named_parameters.dart b/lib/src/rules/always_require_non_null_named_parameters.dart
index 4a3825c35..16bd340a2 100644
--- a/lib/src/rules/always_require_non_null_named_parameters.dart
+++ b/lib/src/rules/always_require_non_null_named_parameters.dart
@@ -49,6 +49,7 @@ class AlwaysRequireNonNullNamedParameters extends LintRule {
             name: 'always_require_non_null_named_parameters',
             description: _desc,
             details: _details,
+            state: State.deprecated(since: dart3),
             group: Group.style);
 
   @override
diff --git a/lib/src/rules/avoid_returning_null.dart b/lib/src/rules/avoid_returning_null.dart
index 8a01e6144..390f9aa94 100644
--- a/lib/src/rules/avoid_returning_null.dart
+++ b/lib/src/rules/avoid_returning_null.dart
@@ -59,6 +59,7 @@ class AvoidReturningNull extends LintRule {
             name: 'avoid_returning_null',
             description: _desc,
             details: _details,
+            state: State.deprecated(since: dart3),
             group: Group.style);
 
   @override
diff --git a/lib/src/rules/avoid_returning_null_for_future.dart b/lib/src/rules/avoid_returning_null_for_future.dart
index fb92063b3..8313626f8 100644
--- a/lib/src/rules/avoid_returning_null_for_future.dart
+++ b/lib/src/rules/avoid_returning_null_for_future.dart
@@ -30,6 +30,7 @@ class AvoidReturningNullForFuture extends LintRule {
             name: 'avoid_returning_null_for_future',
             description: _desc,
             details: _details,
+            state: State.deprecated(since: dart3),
             group: Group.errors);
 
   @override
diff --git a/lib/src/rules/prefer_equal_for_default_values.dart b/lib/src/rules/prefer_equal_for_default_values.dart
index 24df213dc..b00701424 100644
--- a/lib/src/rules/prefer_equal_for_default_values.dart
+++ b/lib/src/rules/prefer_equal_for_default_values.dart
@@ -38,8 +38,7 @@ class PreferEqualForDefaultValues extends LintRule {
             name: 'prefer_equal_for_default_values',
             description: _desc,
             details: _details,
-            // todo(pq): deprecate for 3.0 (https://github.com/dart-lang/linter/issues/3879)
-            state: State.stable(), //State.deprecated(since: dart3),
+            state: State.deprecated(since: dart3),
             group: Group.style);
 
   @override