diff --git a/lib/workers/repository/updates/flatten.js b/lib/workers/repository/updates/flatten.js
index 2792dca51d2ae692cbab25b4bc0221314142cfea..c45ced8d57d3ce718c89a0260681cca7fc21e238 100644
--- a/lib/workers/repository/updates/flatten.js
+++ b/lib/workers/repository/updates/flatten.js
@@ -13,21 +13,14 @@ module.exports = {
 function flattenUpdates(config, packageFiles) {
   const updates = [];
   for (const [manager, files] of Object.entries(packageFiles)) {
-    logger.debug(`flatten manager=${manager}`);
     const managerConfig = getManagerConfig(config, manager);
-    logger.debug('Got manager config');
     for (const packageFile of files) {
-      logger.debug('packageFile');
       const packageFileConfig = mergeChildConfig(managerConfig, packageFile);
       for (const dep of packageFile.deps) {
-        logger.debug('dep ' + dep.depName);
         let depConfig = mergeChildConfig(packageFileConfig, dep);
-        logger.debug('got depConfig');
         delete depConfig.deps;
         depConfig = applyPackageRules(depConfig);
-        logger.debug('got depConfig with rules');
         for (const update of dep.updates) {
-          logger.debug('update');
           let updateConfig = mergeChildConfig(depConfig, update);
           delete updateConfig.updates;
           // apply major/minor/patch/pin/digest
@@ -47,9 +40,7 @@ function flattenUpdates(config, packageFiles) {
           delete updateConfig.renovateJsonPresent;
           updates.push(updateConfig);
         }
-        logger.debug('Done dep');
       }
-      logger.debug('Done packageFile');
     }
     logger.debug({ managerConfig });
     if (