diff --git a/core/api/src/main/java/org/onosproject/net/config/NetworkConfigService.java b/core/api/src/main/java/org/onosproject/net/config/NetworkConfigService.java
index 064272f..d1d280f 100644
--- a/core/api/src/main/java/org/onosproject/net/config/NetworkConfigService.java
+++ b/core/api/src/main/java/org/onosproject/net/config/NetworkConfigService.java
@@ -177,4 +177,19 @@
      * @param <S>               type of subject
      */
     <S> void removeConfig(String subjectClassKey, S subject, String configKey);
+
+    /**
+     * Clears the  configuration including queued based on the subject.
+     * If does not exists this call has no effect.
+     *
+     * @param subject           configuration subject
+     */
+    <S> void removeConfig(S subject);
+
+    /**
+     * Clears the complete configuration including queued.
+     * If does not exists this call has no effect.
+     *
+     */
+    <S> void removeConfig();
 }
diff --git a/core/api/src/main/java/org/onosproject/net/config/NetworkConfigStore.java b/core/api/src/main/java/org/onosproject/net/config/NetworkConfigStore.java
index d774d3e..62c3ffa 100644
--- a/core/api/src/main/java/org/onosproject/net/config/NetworkConfigStore.java
+++ b/core/api/src/main/java/org/onosproject/net/config/NetworkConfigStore.java
@@ -151,4 +151,19 @@
      */
     <S> void clearQueuedConfig(S subject, String configKey);
 
+    /**
+     * Clears the  configuration based on the subject including queued.
+     * If does not exists this call has no effect.
+     *
+     * @param subject   configuration subject
+     */
+    <S> void clearConfig(S subject);
+
+    /**
+     * Clears the complete configuration including queued.
+     * If does not exists this call has no effect.
+     *
+     */
+    <S> void clearConfig();
+
 }
diff --git a/core/api/src/test/java/org/onosproject/net/config/NetworkConfigServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/config/NetworkConfigServiceAdapter.java
index 1dc9211..1bad3a9 100644
--- a/core/api/src/test/java/org/onosproject/net/config/NetworkConfigServiceAdapter.java
+++ b/core/api/src/test/java/org/onosproject/net/config/NetworkConfigServiceAdapter.java
@@ -95,4 +95,12 @@
     @Override
     public void removeListener(NetworkConfigListener listener) {
     }
+
+    @Override
+    public <S> void removeConfig(S subject) {
+    }
+
+    @Override
+    public <S> void removeConfig() {
+    }
 }