diff --git a/big_zip/big-zip-files.zip b/big_zip/big-zip-files.zip
deleted file mode 100755
index f660237..0000000
Binary files a/big_zip/big-zip-files.zip and /dev/null differ
diff --git a/binary_search/challenge.zip b/binary_search/challenge.zip
deleted file mode 100755
index 18679b6..0000000
Binary files a/binary_search/challenge.zip and /dev/null differ
diff --git a/blame_game/challenge.zip b/blame_game/challenge.zip
deleted file mode 100755
index d998ce2..0000000
Binary files a/blame_game/challenge.zip and /dev/null differ
diff --git a/collaborative_developement/challenge.zip b/collaborative_developement/challenge.zip
deleted file mode 100755
index 2c38a36..0000000
Binary files a/collaborative_developement/challenge.zip and /dev/null differ
diff --git a/commitment_issues/challenge.zip b/commitment_issues/challenge.zip
deleted file mode 100755
index e65ecd1..0000000
Binary files a/commitment_issues/challenge.zip and /dev/null differ
diff --git a/first_find/files.zip b/first_find/files.zip
deleted file mode 100755
index 5fbf65b..0000000
Binary files a/first_find/files.zip and /dev/null differ
diff --git a/hurry_up_wait/svchost.exe b/hurry_up_wait/svchost.exe
deleted file mode 100755
index 2aa7856..0000000
Binary files a/hurry_up_wait/svchost.exe and /dev/null differ
diff --git a/matryoshka_doll/base_images/base_images/base_images/out.zip b/matryoshka_doll/base_images/base_images/base_images/out.zip
deleted file mode 100755
index ae4045d..0000000
Binary files a/matryoshka_doll/base_images/base_images/base_images/out.zip and /dev/null differ
diff --git a/matryoshka_doll/base_images/base_images/out.zip b/matryoshka_doll/base_images/base_images/out.zip
deleted file mode 100755
index 9b0c933..0000000
Binary files a/matryoshka_doll/base_images/base_images/out.zip and /dev/null differ
diff --git a/matryoshka_doll/base_images/out.zip b/matryoshka_doll/base_images/out.zip
deleted file mode 100755
index 7736e72..0000000
Binary files a/matryoshka_doll/base_images/out.zip and /dev/null differ
diff --git a/matryoshka_doll/out.zip b/matryoshka_doll/out.zip
deleted file mode 100755
index 9f9e230..0000000
Binary files a/matryoshka_doll/out.zip and /dev/null differ
diff --git a/scan_surprise/challenge.zip b/scan_surprise/challenge.zip
deleted file mode 100755
index 35dc514..0000000
Binary files a/scan_surprise/challenge.zip and /dev/null differ
diff --git a/spelling_quiz/public.zip b/spelling_quiz/public.zip
deleted file mode 100755
index 0b8f546..0000000
Binary files a/spelling_quiz/public.zip and /dev/null differ
diff --git a/tab_tab_attack/Addadshashanammu.zip b/tab_tab_attack/Addadshashanammu.zip
deleted file mode 100755
index 2dedcf7..0000000
Binary files a/tab_tab_attack/Addadshashanammu.zip and /dev/null differ
diff --git a/time_machine/challenge.zip b/time_machine/challenge.zip
deleted file mode 100755
index 7c92b45..0000000
Binary files a/time_machine/challenge.zip and /dev/null differ
diff --git a/verify/challenge.zip b/verify/challenge.zip
deleted file mode 100755
index c61bf50..0000000
Binary files a/verify/challenge.zip and /dev/null differ