diff --git a/src/main/groovy/edu/wisc/doit/gradle/CompareVersions.groovy b/src/main/groovy/edu/wisc/doit/gradle/CompareVersions.groovy
index 003dc39f257198194533752d1fbba15702631a29..1526a54b102e4243973e6ec512ea2be7d27462d7 100644
--- a/src/main/groovy/edu/wisc/doit/gradle/CompareVersions.groovy
+++ b/src/main/groovy/edu/wisc/doit/gradle/CompareVersions.groovy
@@ -1,7 +1,6 @@
 package edu.wisc.doit.gradle
 
 import com.github.zafarkhaja.semver.Version
-import org.apache.commons.lang.StringUtils
 import org.gradle.api.GradleException
 
 import java.util.regex.Matcher