diff --git a/buildSrc/src/main/groovy/net/corda/testing/BucketingAllocator.java b/buildSrc/src/main/java/net/corda/testing/BucketingAllocator.java
similarity index 100%
rename from buildSrc/src/main/groovy/net/corda/testing/BucketingAllocator.java
rename to buildSrc/src/main/java/net/corda/testing/BucketingAllocator.java
diff --git a/buildSrc/src/main/groovy/net/corda/testing/BucketingAllocatorTask.java b/buildSrc/src/main/java/net/corda/testing/BucketingAllocatorTask.java
similarity index 100%
rename from buildSrc/src/main/groovy/net/corda/testing/BucketingAllocatorTask.java
rename to buildSrc/src/main/java/net/corda/testing/BucketingAllocatorTask.java
diff --git a/buildSrc/src/main/groovy/net/corda/testing/KubesTest.java b/buildSrc/src/main/java/net/corda/testing/KubesTest.java
similarity index 100%
rename from buildSrc/src/main/groovy/net/corda/testing/KubesTest.java
rename to buildSrc/src/main/java/net/corda/testing/KubesTest.java