diff --git a/2C-SDK-Espressif_IoT_SDK_Programming_Guide_v0.9.5.pdf b/2C-SDK-Espressif_IoT_SDK_Programming_Guide_v0.9.5.pdf deleted file mode 100644 index 93a6fccf..00000000 Binary files a/2C-SDK-Espressif_IoT_SDK_Programming_Guide_v0.9.5.pdf and /dev/null differ