diff --git a/www_downloadhelper_net_welcome_browser_chrome_version_7_6_0_.pdf b/www_downloadhelper_net_welcome_browser_chrome_version_7_6_0_.pdf
deleted file mode 100644
index 221d4f6..0000000
Binary files a/www_downloadhelper_net_welcome_browser_chrome_version_7_6_0_.pdf and /dev/null differ
diff --git a/www_google_com_hk_search_q_js_E6_95_B0_E7_BB_84_E6_AF_8F_E6_.pdf b/www_google_com_hk_search_q_js_E6_95_B0_E7_BB_84_E6_AF_8F_E6_.pdf
deleted file mode 100644
index ddf88f2..0000000
Binary files a/www_google_com_hk_search_q_js_E6_95_B0_E7_BB_84_E6_AF_8F_E6_.pdf and /dev/null differ