diff --git a/components/application-mgt/org.wso2.carbon.identity.application.common/src/main/java/org/wso2/carbon/identity/application/common/util/IdentityApplicationManagementUtil.java b/components/application-mgt/org.wso2.carbon.identity.application.common/src/main/java/org/wso2/carbon/identity/application/common/util/IdentityApplicationManagementUtil.java
index 5011871b7a91..3e9d052a94cc 100644
--- a/components/application-mgt/org.wso2.carbon.identity.application.common/src/main/java/org/wso2/carbon/identity/application/common/util/IdentityApplicationManagementUtil.java
+++ b/components/application-mgt/org.wso2.carbon.identity.application.common/src/main/java/org/wso2/carbon/identity/application/common/util/IdentityApplicationManagementUtil.java
@@ -809,6 +809,7 @@ private static String calculateHmacSha256(String key, String value) throws Signa
      * @return
      * @throws SignatureException
      */
+    @Deprecated
     public static String calculateHmacSha1(String key, String value) throws SignatureException {
         String result;
         try {