diff --git a/conf/example.input.exec/exec.toml b/conf/example.input.exec/exec.toml
index 0493d10..9cc243f 100644
--- a/conf/example.input.exec/exec.toml
+++ b/conf/example.input.exec/exec.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/example.input.oracle/oracle.toml b/conf/example.input.oracle/oracle.toml
index bfd0704..d91bf2c 100644
--- a/conf/example.input.oracle/oracle.toml
+++ b/conf/example.input.oracle/oracle.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.cpu/cpu.toml b/conf/input.cpu/cpu.toml
index 4bb38d2..50d511a 100644
--- a/conf/input.cpu/cpu.toml
+++ b/conf/input.cpu/cpu.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.disk/disk.toml b/conf/input.disk/disk.toml
index bcc26b1..7788e00 100644
--- a/conf/input.disk/disk.toml
+++ b/conf/input.disk/disk.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.diskio/diskio.toml b/conf/input.diskio/diskio.toml
index ec738fb..2ed9d56 100644
--- a/conf/input.diskio/diskio.toml
+++ b/conf/input.diskio/diskio.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.kernel/kernel.toml b/conf/input.kernel/kernel.toml
index 9c7a7ea..b6110f7 100644
--- a/conf/input.kernel/kernel.toml
+++ b/conf/input.kernel/kernel.toml
@@ -1,5 +1,2 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
diff --git a/conf/input.linux_sysctl_fs/linux_sysctl_fs.toml b/conf/input.linux_sysctl_fs/linux_sysctl_fs.toml
index 9c7a7ea..b6110f7 100644
--- a/conf/input.linux_sysctl_fs/linux_sysctl_fs.toml
+++ b/conf/input.linux_sysctl_fs/linux_sysctl_fs.toml
@@ -1,5 +1,2 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
diff --git a/conf/input.mem/mem.toml b/conf/input.mem/mem.toml
index 9dae37d..9db08bc 100644
--- a/conf/input.mem/mem.toml
+++ b/conf/input.mem/mem.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.net/net.toml b/conf/input.net/net.toml
index 3748352..75aae62 100644
--- a/conf/input.net/net.toml
+++ b/conf/input.net/net.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.netstat/netstat.toml b/conf/input.netstat/netstat.toml
index 9c7a7ea..b6110f7 100644
--- a/conf/input.netstat/netstat.toml
+++ b/conf/input.netstat/netstat.toml
@@ -1,5 +1,2 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
diff --git a/conf/input.processes/processes.toml b/conf/input.processes/processes.toml
index ea33d71..af7436b 100644
--- a/conf/input.processes/processes.toml
+++ b/conf/input.processes/processes.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.redis/redis.toml b/conf/input.redis/redis.toml
index 793cd7d..0538b71 100644
--- a/conf/input.redis/redis.toml
+++ b/conf/input.redis/redis.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15
 
diff --git a/conf/input.system/system.toml b/conf/input.system/system.toml
index b30d3d0..c2b6c73 100644
--- a/conf/input.system/system.toml
+++ b/conf/input.system/system.toml
@@ -1,6 +1,3 @@
-# # whether print configs
-# print_configs = false
-
 # # collect interval
 # interval = 15