diff --git a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpensatckRouterWebResource.java b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpensatckRouterWebResource.java
index 3d66674..1b608c0 100644
--- a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpensatckRouterWebResource.java
+++ b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpensatckRouterWebResource.java
@@ -143,6 +143,7 @@
 
     @DELETE
     @Path("{id}")
+    @Consumes(MediaType.APPLICATION_JSON)
     public Response deleteRouter(@PathParam("id") String id) {
         checkNotNull(id);
         OpenstackRoutingService routingService
diff --git a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
index 3382620..2ddf176 100644
--- a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
+++ b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
@@ -118,7 +118,7 @@
      */
     @DELETE
     @Path("{id}")
-    @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_JSON)
     public Response deleteFloatingIp(@PathParam("id") String id) {
         checkNotNull(id);
 
diff --git a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackPortWebResource.java b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackPortWebResource.java
index 87dd4a3..3e71f88 100644
--- a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackPortWebResource.java
+++ b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackPortWebResource.java
@@ -57,6 +57,7 @@
 
     @Path("{portUUID}")
     @DELETE
+    @Produces(MediaType.APPLICATION_JSON)
     public Response deletePorts(@PathParam("portUUID") String id) {
         return Response.noContent().build();
     }
diff --git a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackSubnetWebResource.java b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackSubnetWebResource.java
index d87021d..ca9f3ab 100644
--- a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackSubnetWebResource.java
+++ b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackSubnetWebResource.java
@@ -57,6 +57,7 @@
 
     @DELETE
     @Path("{subnetId}")
+    @Produces(MediaType.APPLICATION_JSON)
     public Response deleteSubnet(@PathParam("subnetId") String id) {
         return Response.noContent().build();
     }