diff --git a/LATER.md b/LATER.md
index aa01d4f..68d83f8 100644
--- a/LATER.md
+++ b/LATER.md
@@ -37,12 +37,6 @@ Why is that still needed? We have Stalwart.
 
 ---
 
-du -a | sort -rn | head
-
-Why is the directory so big? 4 GByte?
-
----
-
 After Try Connection, show some matching icon next to the text.
 
 ---
@@ -61,14 +55,6 @@ Sieve: JMAP, easy. Per IMAP...
 
 ---
 
-Flutter best practices?
-
----
-
-Flutter/Dart Linters?
-
----
-
 scripts/check_coverage.dart
 reduce files in _excluded.
 
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 61b200a..3380e28 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -52,6 +52,13 @@ linter:
     - discarded_futures
     - unnecessary_await_in_return
 
+    # Widget best practices
+    - use_super_parameters
+    - use_key_in_widget_constructors
+
+    # API clarity
+    - avoid_positional_boolean_parameters
+
     # Imports and style
     - directives_ordering
     - curly_braces_in_flow_control_structures