diff --git a/.gitignore b/.gitignore
index 07f6be9..2ffaec7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,12 @@
 *.pyc
 *.md~
 3D_representation.pdf
 2D_projection.pdf
 build/
-googletest/*
-!googletest/README.md
+Homework3/lib/googletest/*
+!Homework3/lib/googletest/README.md
+Homework4/lib/googletest/*
+!Homework4/lib/googletest/README.md
 .idea/
 cmake-build-debug/
 input.csv
diff --git a/Homework4/lib/.DS_Store b/Homework4/lib/.DS_Store
deleted file mode 100644
index 4560601..0000000
Binary files a/Homework4/lib/.DS_Store and /dev/null differ