diff --git a/doc/doxygen.cfg b/doc/doxygen.cfg
index b386a2c..2a8f106 100644
--- a/doc/doxygen.cfg
+++ b/doc/doxygen.cfg
@@ -6,8 +6,8 @@
 DOXYFILE_ENCODING      = UTF-8
 PROJECT_NAME           = "Open CAS Framework"
 PROJECT_NUMBER         =
-PROJECT_BRIEF          = OCF
-PROJECT_LOGO           = img/logo.png
+PROJECT_BRIEF          = "Open source framework of Cache Acceleration Software"
+PROJECT_LOGO           =
 OUTPUT_DIRECTORY       = .
 CREATE_SUBDIRS         = NO
 ALLOW_UNICODE_NAMES    = NO
diff --git a/doc/img/logo.png b/doc/img/logo.png
deleted file mode 100644
index 00fbf21..0000000
Binary files a/doc/img/logo.png and /dev/null differ