diff --git a/java/ql/lib/experimental/quantum/JCA.qll b/java/ql/lib/experimental/quantum/JCA.qll
index e4092d2f4fb..f6f5ba71ec2 100644
--- a/java/ql/lib/experimental/quantum/JCA.qll
+++ b/java/ql/lib/experimental/quantum/JCA.qll
@@ -5,7 +5,6 @@ import java
 import semmle.code.java.dataflow.DataFlow
 import semmle.code.java.dataflow.TaintTracking
 import semmle.code.java.controlflow.Dominance
-private import Crypto::KeyOpAlg as KeyOpAlg
 
 module JCAModel {
   import Language