diff --git a/ex2/ex2_ABC.pdf b/ex2/ex2_ABC.pdf
deleted file mode 100644
index 89182d2..0000000
Binary files a/ex2/ex2_ABC.pdf and /dev/null differ
diff --git a/ex_1.pdf b/ex_1.pdf
deleted file mode 100644
index 6264975..0000000
Binary files a/ex_1.pdf and /dev/null differ
diff --git a/ex_2.pdf b/ex_2.pdf
deleted file mode 100644
index 3571518..0000000
Binary files a/ex_2.pdf and /dev/null differ