diff --git a/build.gradle b/build.gradle
index 0f161d93f..22aa4e5b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,9 +27,6 @@ dependencies {
     // This dependency is exported to consumers, that is to say found on their compile classpath.
     api 'org.apache.commons:commons-math3:3.6.1'
 
-    // This dependency is used internally, and not exposed to consumers on their own compile classpath.
-    implementation 'com.google.guava:guava:20.0'
-
     // Use JUnit test framework
     testImplementation 'junit:junit:4.13'