diff --git a/2024/documents/by-course/math-4a/selected-solutions/main.pdf b/2024/documents/by-course/math-4a/selected-solutions/main.pdf deleted file mode 100644 index 76d62e0..0000000 Binary files a/2024/documents/by-course/math-4a/selected-solutions/main.pdf and /dev/null differ diff --git a/2024/documents/by-course/phil-1/paper-1/main.pdf b/2024/documents/by-course/phil-1/paper-1/main.pdf deleted file mode 100644 index 7198f4e..0000000 Binary files a/2024/documents/by-course/phil-1/paper-1/main.pdf and /dev/null differ diff --git a/2024/documents/by-course/phil-1/paper-2/main.pdf b/2024/documents/by-course/phil-1/paper-2/main.pdf deleted file mode 100644 index 7198f4e..0000000 Binary files a/2024/documents/by-course/phil-1/paper-2/main.pdf and /dev/null differ