diff --git a/integrations/gitea.js b/integrations/gitea.js
index e34163f..6ea0882 100644
--- a/integrations/gitea.js
+++ b/integrations/gitea.js
@@ -1,5 +1,4 @@
 const util = require('util');
-const fetch = require('node-fetch');
 const amountFromLabels = require('./utils/amount-from-labels');
 const kindFromLabels = require('./utils/kind-from-labels');
 
@@ -56,7 +55,7 @@ module.exports = async function(robot, kredits) {
       robot.logger.debug(`[hubot-kredits] contribution attributes:`);
       robot.logger.debug(util.inspect(contributionAttr, { depth: 1, colors: true }));
 
-      return Contribution.addContribution(contributionAttr).catch(error => {
+      return Contribution.add(contributionAttr).catch(error => {
         robot.logger.error(`[hubot-kredits] Error:`, error);
         messageRoom(`I tried to add a contribution for ${giteaUser} for ${url}, but I encountered an error when submitting the tx:`);
         messageRoom(error.message);
diff --git a/integrations/github.js b/integrations/github.js
index defc258..aa8ec0c 100644
--- a/integrations/github.js
+++ b/integrations/github.js
@@ -61,7 +61,7 @@ module.exports = async function(robot, kredits) {
       robot.logger.debug(`[hubot-kredits] contribution attributes:`);
       robot.logger.debug(util.inspect(contributionAttr, { depth: 1, colors: true }));
 
-      return Contribution.addContribution(contributionAttr).catch(error => {
+      return Contribution.add(contributionAttr).catch(error => {
         robot.logger.error(`[hubot-kredits] Error:`, error);
         messageRoom(`I tried to add a contribution for ${githubUser} for ${url}, but I encountered an error when submitting the tx:`);
         messageRoom(error.message);
diff --git a/integrations/mediawiki.js b/integrations/mediawiki.js
index 31c3b43..f6e7b64 100644
--- a/integrations/mediawiki.js
+++ b/integrations/mediawiki.js
@@ -48,7 +48,7 @@ module.exports = async function(robot, kredits) {
         kind: 'docs'
       };
 
-      return Contribution.addContribution(contribution).catch(error => {
+      return Contribution.add(contribution).catch(error => {
         robot.logger.error(`[hubot-kredits] Adding contribution failed:`, error);
       });
     }).catch(() => {