diff --git a/lib/src/Cell.dart b/lib/src/Cell.dart
deleted file mode 100644
index 4e12f04..0000000
--- a/lib/src/Cell.dart
+++ /dev/null
@@ -1,6 +0,0 @@
-import 'package:rules_of_living/src/Rule.dart';
-
-class Cell {
-  /// For determining if render updates are necessary in [Grid].render() function
-  bool dirty = false;
-}
diff --git a/lib/src/Rule.dart b/lib/src/Rule.dart
deleted file mode 100644
index 723b4d0..0000000
--- a/lib/src/Rule.dart
+++ /dev/null
@@ -1,5 +0,0 @@
-class Rule {
-  final Function evaluate;
-
-  Rule(this.evaluate);
-}