diff --git a/src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java b/src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java
index be59fed8..b297a2c4 100644
--- a/src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java
+++ b/src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java
@@ -754,7 +754,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
             return;
         }
 
-        if (StringUtils.isEmpty(encoding)) {
+        if (encoding == null || encoding.isEmpty()) {
             getLog().warn("File encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING
                     + ", i.e. build is platform dependent!");
         }
@@ -1477,7 +1477,7 @@ private CharSequence resolveExternalJreVersion() {
     private File interpolatePomFile(File pomFile, File basedir) throws MojoExecutionException {
         File interpolatedPomFile = null;
         if (pomFile != null) {
-            if (StringUtils.isNotEmpty(filteredPomPrefix)) {
+            if (filteredPomPrefix != null && !filteredPomPrefix.isEmpty()) {
                 interpolatedPomFile = new File(basedir, filteredPomPrefix + pomFile.getName());
                 buildInterpolatedFile(pomFile, interpolatedPomFile);
             } else {
@@ -1640,7 +1640,7 @@ private MessageBuilder pad(BuildJob buildJob) {
      * @param interpolatedPomFile The interpolated pom file.
      */
     private void deleteInterpolatedPomFile(File interpolatedPomFile) {
-        if (interpolatedPomFile != null && StringUtils.isNotEmpty(filteredPomPrefix)) {
+        if (interpolatedPomFile != null && (filteredPomPrefix != null && !filteredPomPrefix.isEmpty())) {
             interpolatedPomFile.delete();
         }
     }
diff --git a/src/main/java/org/apache/maven/plugins/invoker/InvokerReport.java b/src/main/java/org/apache/maven/plugins/invoker/InvokerReport.java
index 0e08bbaf..40cc33bd 100644
--- a/src/main/java/org/apache/maven/plugins/invoker/InvokerReport.java
+++ b/src/main/java/org/apache/maven/plugins/invoker/InvokerReport.java
@@ -28,7 +28,6 @@
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.commons.lang3.StringUtils;
 import org.apache.maven.doxia.sink.Sink;
 import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Mojo;
@@ -260,8 +259,8 @@ private void renderBuildJob(BuildJob buildJob) {
     private String getBuildJobReportName(BuildJob buildJob) {
         String buildJobName = buildJob.getName();
         String buildJobDescription = buildJob.getDescription();
-        boolean emptyJobName = StringUtils.isEmpty(buildJobName);
-        boolean emptyJobDescription = StringUtils.isEmpty(buildJobDescription);
+        boolean emptyJobName = buildJobName == null || buildJobName.isEmpty();
+        boolean emptyJobDescription = buildJobDescription == null || buildJobDescription.isEmpty();
         boolean isReportJobNameComplete = !emptyJobName && !emptyJobDescription;
         if (isReportJobNameComplete) {
             return getFormattedName(buildJobName, buildJobDescription);