diff --git a/libfwupdplugin/fu-plugin.c b/libfwupdplugin/fu-plugin.c
index f6c7cc1aa..f1349403b 100644
--- a/libfwupdplugin/fu-plugin.c
+++ b/libfwupdplugin/fu-plugin.c
@@ -2502,36 +2502,6 @@ fu_plugin_set_config_value_internal(FuPlugin *self,
 					error);
 }
 
-/**
- * fu_plugin_set_secure_config_value:
- * @self: a #FuPlugin
- * @key: a settings key
- * @value: (nullable): a settings value
- * @error: (nullable): optional return location for an error
- *
- * Sets a plugin config file value and updates file so that non-privileged users
- * cannot read it.
- *
- * This function is deprecated, and you should use `FWUPD_PLUGIN_FLAG_SECURE_CONFIG` and
- * fu_plugin_set_config_value() instead.
- *
- * Returns: %TRUE for success
- *
- * Since: 1.7.4
- **/
-gboolean
-fu_plugin_set_secure_config_value(FuPlugin *self,
-				  const gchar *key,
-				  const gchar *value,
-				  GError **error)
-{
-	g_return_val_if_fail(FU_IS_PLUGIN(self), FALSE);
-	g_return_val_if_fail(key != NULL, FALSE);
-	g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
-	fu_plugin_add_flag(self, FWUPD_PLUGIN_FLAG_SECURE_CONFIG);
-	return fu_plugin_set_config_value(self, key, value, error);
-}
-
 /**
  * fu_plugin_set_config_value:
  * @self: a #FuPlugin
diff --git a/libfwupdplugin/fu-plugin.h b/libfwupdplugin/fu-plugin.h
index 202d3312c..c2f4fd42c 100644
--- a/libfwupdplugin/fu-plugin.h
+++ b/libfwupdplugin/fu-plugin.h
@@ -455,12 +455,6 @@ void
 fu_plugin_add_report_metadata(FuPlugin *self, const gchar *key, const gchar *value);
 gchar *
 fu_plugin_get_config_value(FuPlugin *self, const gchar *key);
-G_DEPRECATED_FOR(fu_plugin_set_config_value)
-gboolean
-fu_plugin_set_secure_config_value(FuPlugin *self,
-				  const gchar *key,
-				  const gchar *value,
-				  GError **error);
 gboolean
 fu_plugin_get_config_value_boolean(FuPlugin *self, const gchar *key);
 gboolean
diff --git a/libfwupdplugin/fwupdplugin.map b/libfwupdplugin/fwupdplugin.map
index d34519764..afbd6a9f3 100644
--- a/libfwupdplugin/fwupdplugin.map
+++ b/libfwupdplugin/fwupdplugin.map
@@ -848,7 +848,6 @@ LIBFWUPDPLUGIN_1.7.4 {
     fu_firmware_add_patch;
     fu_firmware_get_bytes_with_patches;
     fu_lid_state_to_string;
-    fu_plugin_set_secure_config_value;
     fu_usb_device_add_interface;
     fu_usb_device_set_configuration;
   local: *;