diff --git a/jpos/build.gradle b/jpos/build.gradle
index d6356541bf..c00415581b 100644
--- a/jpos/build.gradle
+++ b/jpos/build.gradle
@@ -29,7 +29,6 @@ dependencies {
     implementation libraries.sshd
     implementation libraries.eddsa
     implementation libraries.bytebuddy
-    implementation libraries.commons_lang3
 
     testImplementation libraries.commons_lang3
     testImplementation libraries.hamcrest
diff --git a/jpos/src/main/java/org/jpos/annotation/resolvers/parameters/RegistryResolver.java b/jpos/src/main/java/org/jpos/annotation/resolvers/parameters/RegistryResolver.java
index c08ba107d1..a3d9e0ba4e 100644
--- a/jpos/src/main/java/org/jpos/annotation/resolvers/parameters/RegistryResolver.java
+++ b/jpos/src/main/java/org/jpos/annotation/resolvers/parameters/RegistryResolver.java
@@ -6,9 +6,9 @@
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.apache.commons.lang3.StringUtils;
 import org.jpos.annotation.Registry;
 import org.jpos.core.ConfigurationException;
+import org.jpos.iso.ISOUtil;
 import org.jpos.transaction.Context;
 import org.jpos.transaction.TransactionParticipant;
 import org.jpos.util.NameRegistrar;
@@ -22,7 +22,7 @@ private static final class RegistryResolverImpl implements Resolver {
         public void configure(Parameter f) throws ConfigurationException {
             Registry annotation = f.getAnnotation(Registry.class);
             registryKey = findKey(annotation.value(), f.getType(), NameRegistrar.getAsMap());
-            if (StringUtils.isEmpty(registryKey)) {
+            if (ISOUtil.isEmpty(registryKey)) {
                 throw new ConfigurationException("Could not find Registry entry for " + f.getName());
             }
         }
@@ -44,7 +44,7 @@ String findKey(String key, Class<?> type, Map<?, ?> entries) throws Configuratio
 
         protected String getMatch(String key, List<String> typeMatches, List<String> keyMatches)
                 throws ConfigurationException {
-            if (StringUtils.isNotBlank(key)) {
+            if (!ISOUtil.isEmpty(key)) {
                 return getMatch(key, keyMatches);
             } else {
                 return getMatch(key, typeMatches);
diff --git a/jpos/src/main/java/org/jpos/iso/ISOUtil.java b/jpos/src/main/java/org/jpos/iso/ISOUtil.java
index d92f9264c7..af710b810c 100644
--- a/jpos/src/main/java/org/jpos/iso/ISOUtil.java
+++ b/jpos/src/main/java/org/jpos/iso/ISOUtil.java
@@ -1105,6 +1105,13 @@ public static boolean isZero( String s ) {
     public static boolean isBlank( String s ){
         return s.trim().length() == 0;
     }
+    
+    /**
+     * @return true if the string is null or is blank filled (space char filled)
+     */
+    public static boolean isEmpty(String s) {
+        return s == null || isBlank(s);
+    }
 
     /**
      * Return true if the string is alphanum.