diff --git a/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/handler/EcowattHandler.java b/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/handler/EcowattHandler.java
index 13cf7735b..c6fd16e6b 100644
--- a/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/handler/EcowattHandler.java
+++ b/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/handler/EcowattHandler.java
@@ -116,6 +116,15 @@ public class EcowattHandler extends BaseThingHandler {
         }
     }
 
+    @Override
+    public void handleRemoval() {
+        EcowattRestApi localApi = api;
+        if (localApi != null) {
+            localApi.deleteServiceAndAccessToken();
+        }
+        super.handleRemoval();
+    }
+
     /**
      * Schedule the next update of channels.
      *
diff --git a/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/restapi/EcowattRestApi.java b/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/restapi/EcowattRestApi.java
index 7da333721..c7f8d01fe 100644
--- a/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/restapi/EcowattRestApi.java
+++ b/bundles/org.openhab.binding.ecowatt/src/main/java/org/openhab/binding/ecowatt/internal/restapi/EcowattRestApi.java
@@ -140,4 +140,8 @@ public class EcowattRestApi {
     public void dispose() {
         oAuthFactory.ungetOAuthService(authServiceHandle);
     }
+
+    public void deleteServiceAndAccessToken() {
+        oAuthFactory.deleteServiceAndAccessToken(authServiceHandle);
+    }
 }