diff --git a/okapi-core/pom.xml b/okapi-core/pom.xml
index 72d1395e2..1893288df 100644
--- a/okapi-core/pom.xml
+++ b/okapi-core/pom.xml
@@ -71,10 +71,6 @@
       <groupId>com.cronutils</groupId>
       <artifactId>cron-utils</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.commons</groupId>
-      <artifactId>commons-lang3</artifactId>
-    </dependency>
     <dependency>
       <groupId>org.folio.okapi</groupId>
       <artifactId>okapi-testing</artifactId>
diff --git a/okapi-core/src/main/java/org/folio/okapi/managers/InternalModule.java b/okapi-core/src/main/java/org/folio/okapi/managers/InternalModule.java
index 83c96c367..1a9d557bc 100644
--- a/okapi-core/src/main/java/org/folio/okapi/managers/InternalModule.java
+++ b/okapi-core/src/main/java/org/folio/okapi/managers/InternalModule.java
@@ -15,7 +15,6 @@
 import java.util.List;
 import java.util.Set;
 import java.util.UUID;
-import org.apache.commons.lang3.StringUtils;
 import org.apache.logging.log4j.Logger;
 import org.folio.okapi.bean.DeploymentDescriptor;
 import org.folio.okapi.bean.EnvEntry;
@@ -848,7 +847,7 @@ private Future<String> installTenantModulesDelete(String tenantId, String instal
   }
 
   private Future<String> upgradeModulesForTenant(ProxyContext pc, String tenantId, String body) {
-    if (! StringUtils.isEmpty(body)) {
+    if (!body.isEmpty()) {
       return Future.failedFuture("/_/proxy/tenants/{tenant_id}/upgrade "
           + "(upgrading to latest version) must not have a body. "
           + "Use /_/proxy/tenants/{tenant_id}/install instead "