diff --git a/.gitignore b/.gitignore
index 3205dd1..9af21d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ answer_*.txt
 
 # Temporary input for puzzle examples.
 example.txt
+
+# Generated binaries from compilation.
+puzzle_[0-2][0-9]
diff --git a/2022/.gitignore b/2022/.gitignore
deleted file mode 100644
index d29b977..0000000
--- a/2022/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-puzzle_[0-2][0-9]