diff --git a/config/testdata/config-v0.json b/config/testdata/config-v0.json
index 0d95dac..50b8a0c 100644
--- a/config/testdata/config-v0.json
+++ b/config/testdata/config-v0.json
@@ -1,5 +1,4 @@
 {
-  "_": "This is your OONI Probe config file. See https://ooni.io/help/probe-cli for help",
   "_version": 0,
   "_informed_consent": true,
   "_is_beta": true,
diff --git a/config/testdata/valid-config.json b/config/testdata/valid-config.json
index 725b07f..5109d86 100644
--- a/config/testdata/valid-config.json
+++ b/config/testdata/valid-config.json
@@ -1,5 +1,4 @@
 {
-  "_": "This is your OONI Probe config file. See https://ooni.io/help/probe-cli for help",
   "_version": 1,
   "_informed_consent": false,
   "sharing": {
diff --git a/data/default-config.json b/data/default-config.json
index 725b07f..5109d86 100644
--- a/data/default-config.json
+++ b/data/default-config.json
@@ -1,5 +1,4 @@
 {
-  "_": "This is your OONI Probe config file. See https://ooni.io/help/probe-cli for help",
   "_version": 1,
   "_informed_consent": false,
   "sharing": {
diff --git a/testdata/testing-config.json b/testdata/testing-config.json
index 621ff90..8185252 100644
--- a/testdata/testing-config.json
+++ b/testdata/testing-config.json
@@ -1,5 +1,4 @@
 {
-  "_": "This is your OONI Probe config file. See https://ooni.io/help/probe-cli for help",
   "_version": 1,
   "_informed_consent": true,
   "sharing": {