diff --git a/.gitignore b/.gitignore
index a82fcc1..9c2126e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,4 +43,5 @@
 src/*
 !src/Makefile
 !src/*.cpp
+!src/*.hpp
 !src/*.py
diff --git a/src/problem2.cpp b/src/problem2.cpp
deleted file mode 100644
index e69de29..0000000