diff --git a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerService.java b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerService.java
index e95bae064d..dfd6af295a 100644
--- a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerService.java
+++ b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerService.java
@@ -40,8 +40,6 @@ public interface KeyManagerService {
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     @Path("/token")
     Response generateAccessToken(@HeaderParam("Authorization") String basicAuthHeader,
-                                 @FormParam("client_id") String clientId,
-                                 @FormParam("client_secret") String clientSecret,
                                  @FormParam("refresh_token") String refreshToken,
                                  @FormParam("scope") String scope,
                                  @FormParam("grant_type") String grantType,
diff --git a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerServiceImpl.java b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerServiceImpl.java
index 69d36e9b00..961951f865 100644
--- a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerServiceImpl.java
+++ b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension.api/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/api/KeyManagerServiceImpl.java
@@ -63,8 +63,6 @@ public class KeyManagerServiceImpl implements KeyManagerService {
     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     @Path("/token")
     public Response generateAccessToken(@HeaderParam("Authorization") String basicAuthHeader,
-                                        @FormParam("client_id") String clientId,
-                                        @FormParam("client_secret") String clientSecret,
                                         @FormParam("refresh_token") String refreshToken,
                                         @FormParam("scope") String scope,
                                         @FormParam("grant_type") String grantType,
diff --git a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/service/KeyMgtServiceImpl.java b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/service/KeyMgtServiceImpl.java
index 18714867f1..49fc818851 100644
--- a/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/service/KeyMgtServiceImpl.java
+++ b/components/apimgt-extensions/org.wso2.carbon.apimgt.keymgt.extension/src/main/java/org/wso2/carbon/apimgt/keymgt/extension/service/KeyMgtServiceImpl.java
@@ -160,26 +160,6 @@ public class KeyMgtServiceImpl implements KeyMgtService {
 
             String tenantDomain = MultitenantUtils.getTenantDomain(application.getOwner());
 
-//            String username, password;
-//            if (KeyMgtConstants.SUPER_TENANT.equals(tenantDomain)) {
-//                kmConfig = getKeyManagerConfig();
-//                username = kmConfig.getAdminUsername();
-//                password = kmConfig.getAdminPassword();
-//            } else {
-//                try {
-//                    username = getRealmService()
-//                            .getTenantUserRealm(-1234).getRealmConfiguration()
-//                            .getRealmProperty("reserved_tenant_user_username") + "@" + tenantDomain;
-//                    password = getRealmService()
-//                            .getTenantUserRealm(-1234).getRealmConfiguration()
-//                            .getRealmProperty("reserved_tenant_user_password");
-//                } catch (UserStoreException e) {
-//                    msg = "Error while loading user realm configuration";
-//                    log.error(msg);
-//                    throw new KeyMgtException(msg);
-//                }
-//            }
-
             RequestBody appTokenPayload;
             switch (tokenRequest.getGrantType()) {
                 case "client_credentials":
@@ -197,8 +177,7 @@ public class KeyMgtServiceImpl implements KeyMgtService {
                 case "refresh_token":
                     appTokenPayload = new FormBody.Builder()
                             .add("grant_type", "refresh_token")
-                            .add("refresh_token", tokenRequest.getRefreshToken())
-                            .add("scope", tokenRequest.getScope()).build();
+                            .add("refresh_token", tokenRequest.getRefreshToken()).build();
                     break;
                 case "urn:ietf:params:oauth:grant-type:jwt-bearer":
                     appTokenPayload = new FormBody.Builder()