diff --git a/lib/classes/PluginManager.js b/lib/classes/PluginManager.js
index 5e87fc09f..c6d643d89 100644
--- a/lib/classes/PluginManager.js
+++ b/lib/classes/PluginManager.js
@@ -155,11 +155,10 @@ class PluginManager {
     _.forEach(pluginInstance.hooks, (hook, event) => {
       let target = event;
       const baseEvent = _.replace(event, /^(?:after:|before:)/, '');
-      if (_.has(this.deprecatedEvents, baseEvent)
-        && pluginInstance.constructor.name !== 'ServerlessAlpha') {
-        this.serverless.cli.log(`
-WARNING: Plugin ${pluginInstance.constructor.name}
-         uses deprecated hook ${event}`);
+      if (_.has(this.deprecatedEvents, baseEvent) && pluginName !== 'ServerlessAlpha') {
+        if (process.env.SLS_DEBUG) {
+          this.serverless.cli.log(`WARNING: Plugin ${pluginName} uses deprecated hook ${event}`);
+        }
         const redirectedEvent = this.deprecatedEvents[baseEvent];
         if (redirectedEvent) {
           target = _.replace(event, baseEvent, redirectedEvent);