diff --git a/src/main/java/com/easysoftware/common/constant/PackageConstant.java b/src/main/java/com/easysoftware/common/constant/PackageConstant.java
index 5700a1690abdb833807524bdd7787baee6559dfb..6dc23c7ffc7756b041eecffd8e01237fbebf1542 100644
--- a/src/main/java/com/easysoftware/common/constant/PackageConstant.java
+++ b/src/main/java/com/easysoftware/common/constant/PackageConstant.java
@@ -55,11 +55,6 @@ public final class PackageConstant {
     public static final String VALID_MESSAGE = "Null or string. String includes only letters, digits, and special "
             + "characters(_-+()$.,)";
 
-    /**
-     * HTTP_PREFIX, Referer pass prefix.
-     */
-    public static final String HTTP_PREFIX = "http://";
-
     /**
      * HTTPS_PREFIX, Referer pass prefix.
      */
diff --git a/src/main/java/com/easysoftware/common/filter/RequestHeaderFilter.java b/src/main/java/com/easysoftware/common/filter/RequestHeaderFilter.java
index 78d8b88eff7729bff270fdbf1ab02d71a824ebdb..a4d935a67d7ef40964a2bce6b3a2a4f9b79aed5b 100644
--- a/src/main/java/com/easysoftware/common/filter/RequestHeaderFilter.java
+++ b/src/main/java/com/easysoftware/common/filter/RequestHeaderFilter.java
@@ -96,9 +96,7 @@ public class RequestHeaderFilter implements Filter {
     private String extractDomainFromUrl(String url) {
         String domain = url;
 
-        if (url.startsWith(PackageConstant.HTTP_PREFIX)) {
-            domain = url.substring(PackageConstant.HTTP_PREFIX.length());
-        } else if (url.startsWith(PackageConstant.HTTPS_PREFIX)) {
+        if (url.startsWith(PackageConstant.HTTPS_PREFIX)) {
             domain = url.substring(PackageConstant.HTTPS_PREFIX.length());
         } else {
             return "";
@@ -109,12 +107,6 @@ public class RequestHeaderFilter implements Filter {
             domain = domain.substring(0, endIndex);
         }
 
-        // Remove port number if present
-        int indexColon = domain.lastIndexOf(":");
-        if (indexColon != -1) {
-            domain = domain.substring(0, indexColon);
-        }
-
         return domain;
     }