diff --git a/scripts/seaf-fsck.sh b/scripts/seaf-fsck.sh
index 2fd7629..6c08be5 100755
--- a/scripts/seaf-fsck.sh
+++ b/scripts/seaf-fsck.sh
@@ -20,15 +20,6 @@ function usage () {
     echo ""
 }
 
-function validate_ccnet_conf_dir () {
-    if [[ ! -d ${default_ccnet_conf_dir} ]]; then
-        echo "Error: there is no ccnet config directory."
-        echo "Have you run setup-seafile.sh before this?"
-        echo ""
-        exit -1;
-    fi
-}
-
 function validate_seafile_data_dir () {
     if [[ ! -d ${default_seafile_data_dir} ]]; then
         echo "Error: there is no seafile server data directory."
@@ -39,7 +30,6 @@ function validate_seafile_data_dir () {
 }
 
 function run_seaf_fsck () {
-    validate_ccnet_conf_dir;
     validate_seafile_data_dir;
 
     echo "Starting seaf-fsck, please wait ..."
diff --git a/scripts/seaf-fuse.sh b/scripts/seaf-fuse.sh
index a60b186..aad6c5d 100755
--- a/scripts/seaf-fuse.sh
+++ b/scripts/seaf-fuse.sh
@@ -36,15 +36,6 @@ if [[ $1 == "stop" && $# != 1 ]]; then
     exit 1
 fi
 
-function validate_ccnet_conf_dir () {
-    if [[ ! -d ${default_ccnet_conf_dir} ]]; then
-        echo "Error: there is no ccnet config directory."
-        echo "Have you run setup-seafile.sh before this?"
-        echo ""
-        exit -1;
-    fi
-}
-
 function validate_seafile_data_dir () {
     if [[ ! -d ${default_seafile_data_dir} ]]; then
         echo "Error: there is no seafile server data directory."
@@ -73,7 +64,6 @@ function warning_if_seafile_not_running () {
 function start_seaf_fuse () {
     validate_already_running;
     warning_if_seafile_not_running;
-    validate_ccnet_conf_dir;
     validate_seafile_data_dir;
 
     echo "Starting seaf-fuse, please wait ..."
diff --git a/scripts/seaf-gc.sh b/scripts/seaf-gc.sh
index c210745..e8f0156 100755
--- a/scripts/seaf-gc.sh
+++ b/scripts/seaf-gc.sh
@@ -22,15 +22,6 @@ function usage () {
 }
 
 
-function validate_ccnet_conf_dir () {
-    if [[ ! -d ${default_ccnet_conf_dir} ]]; then
-        echo "Error: there is no ccnet config directory."
-        echo "Have you run setup-seafile.sh before this?"
-        echo ""
-        exit -1;
-    fi
-}
-
 function validate_seafile_data_dir () {
     if [[ ! -d ${default_seafile_data_dir} ]]; then
         echo "Error: there is no seafile server data directory."
@@ -61,7 +52,6 @@ function validate_already_running () {
         exit 1;
     fi
 
-    check_component_running "ccnet-server" "ccnet-server -c ${default_ccnet_conf_dir}"
     check_component_running "seaf-server" "seaf-server -c ${default_ccnet_conf_dir}"
     check_component_running "fileserver" "fileserver -c ${default_ccnet_conf_dir}"
     check_component_running "seafdav" "wsgidav.server.server_cli"
@@ -69,7 +59,6 @@ function validate_already_running () {
 
 function run_seaf_gc () {
     validate_already_running;
-    validate_ccnet_conf_dir;
     validate_seafile_data_dir;
 
     echo "Starting seafserv-gc, please wait ..."
diff --git a/scripts/seafile.sh b/scripts/seafile.sh
index 5f3470b..2585e4e 100755
--- a/scripts/seafile.sh
+++ b/scripts/seafile.sh
@@ -48,15 +48,6 @@ function validate_running_user () {
     fi
 }
 
-function validate_ccnet_conf_dir () {
-    if [[ ! -d ${default_ccnet_conf_dir} ]]; then
-        echo "Error: there is no ccnet config directory."
-        echo "Have you run setup-seafile.sh before this?"
-        echo ""
-        exit -1;
-    fi
-}
-
 function validate_central_conf_dir () {
     if [[ ! -d ${central_config_dir} ]]; then
         echo "Error: there is no conf/ directory."
@@ -104,7 +95,6 @@ function validate_already_running () {
 function start_seafile_server () {
     validate_already_running;
     validate_central_conf_dir;
-    validate_ccnet_conf_dir;
     validate_seafile_data_dir;
     validate_running_user;
 
diff --git a/scripts/seahub.sh b/scripts/seahub.sh
index bcc076b..e4835bc 100755
--- a/scripts/seahub.sh
+++ b/scripts/seahub.sh
@@ -73,15 +73,6 @@ function check_python_executable() {
     fi
 }
 
-function validate_ccnet_conf_dir () {
-    if [[ ! -d ${default_ccnet_conf_dir} ]]; then
-        echo "Error: there is no ccnet config directory."
-        echo "Have you run setup-seafile.sh before this?"
-        echo ""
-        exit -1;
-    fi
-}
-
 function validate_seafile_data_dir () {
     if [[ ! -d ${default_seafile_data_dir} ]]; then
         echo "Error: there is no seafile server data directory."
@@ -198,7 +189,6 @@ function start_seahub_fastcgi () {
 
 function prepare_env() {
     check_python_executable;
-    validate_ccnet_conf_dir;
     validate_seafile_data_dir;
 
     if [[ -z "$LANG" ]]; then