diff --git a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
index 793ab70..2df2f8f 100644
--- a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
+++ b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
@@ -26,7 +26,6 @@
 import java.util.Optional;
 import java.util.List;
 import java.util.Objects;
-import java.net.URL;
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 import static com.google.common.base.Preconditions.checkArgument;
@@ -51,7 +50,7 @@
     private final Optional<URI> featuresRepo;
     private final List<String> features;
     private final List<String> requiredApps;
-    private final URL imageUrl;
+
     /**
      * Default constructor is hidden to prevent calls to new.
      */
@@ -70,7 +69,6 @@
         featuresRepo = Optional.empty();
         features = ImmutableList.of();
         requiredApps = ImmutableList.of();
-        imageUrl = null;
     }
 
     /**
@@ -90,14 +88,13 @@
      * @param featuresRepo optional features repo URI
      * @param features     application features
      * @param requiredApps list of required application names
-     * @param imageUrl     url of oar file
      */
-    public DefaultApplication(ApplicationId appId, Version version, String title,
+    private DefaultApplication(ApplicationId appId, Version version, String title,
                               String description, String origin, String category,
                               String url, String readme, byte[] icon,
                               ApplicationRole role, Set<Permission> permissions,
                               Optional<URI> featuresRepo, List<String> features,
-                              List<String> requiredApps, URL imageUrl) {
+                              List<String> requiredApps) {
         this.appId = appId;
         this.version = version;
         this.title = title;
@@ -112,8 +109,8 @@
         this.featuresRepo = featuresRepo;
         this.features = ImmutableList.copyOf(features);
         this.requiredApps = ImmutableList.copyOf(requiredApps);
-        this.imageUrl = imageUrl;
     }
+
     @Override
     public ApplicationId id() {
         return appId;
@@ -185,11 +182,6 @@
     }
 
     @Override
-    public URL imageUrl() {
-        return imageUrl;
-    }
-
-    @Override
     public int hashCode() {
         return Objects.hash(appId, version, title, description, origin, category, url,
                             readme, role, permissions, featuresRepo, features, requiredApps);
@@ -238,7 +230,6 @@
                 .add("featuresRepo", featuresRepo)
                 .add("features", features)
                 .add("requiredApps", requiredApps)
-                .add("imageURL", imageUrl)
                 .toString();
     }
 
@@ -286,6 +277,7 @@
      * Default application builder.
      */
     public static final class Builder {
+
         private ApplicationId appId;
         private Version version;
         private String title;
@@ -293,14 +285,13 @@
         private String category;
         private String url;
         private String readme;
-        private byte[] icon = new byte[0];
+        private byte[] icon;
         private String origin;
-        private ApplicationRole role = ApplicationRole.ADMIN;
-        private Set<Permission> permissions = ImmutableSet.of();
-        private Optional<URI> featuresRepo = Optional.empty();
-        private List<String> features = ImmutableList.of();
-        private List<String> requiredApps = ImmutableList.of();
-        private URL imageUrl;
+        private ApplicationRole role;
+        private Set<Permission> permissions;
+        private Optional<URI> featuresRepo;
+        private List<String> features;
+        private List<String> requiredApps;
 
         /**
          * Default constructor for the builder.
@@ -527,17 +518,6 @@
         }
 
         /**
-         * Adds a Binary Image URL.
-         *
-         * @param imageUrl url of oar file
-         * @return builder
-         */
-        public Builder withImageUrl(URL imageUrl) {
-            this.imageUrl = imageUrl;
-            return this;
-        }
-
-        /**
          * Builds a default application object from the gathered parameters.
          *
          * @return new default application
@@ -562,7 +542,7 @@
                                           url, readme, icon,
                                           role, permissions,
                                           featuresRepo, features,
-                                          requiredApps, imageUrl);
+                                          requiredApps);
         }
     }
-}
\ No newline at end of file
+}