diff --git a/python/ql/src/experimental/semmle/python/security/TimingAttack.qll b/python/ql/src/experimental/semmle/python/security/TimingAttack.qll
index 75535c8e270..3f55e3b5c5a 100644
--- a/python/ql/src/experimental/semmle/python/security/TimingAttack.qll
+++ b/python/ql/src/experimental/semmle/python/security/TimingAttack.qll
@@ -1,7 +1,6 @@
 private import python
-private import semmle.python.dataflow.new.TaintTracking
 private import semmle.python.dataflow.new.TaintTracking2
-private import semmle.python.dataflow.new.TaintTracking3
+private import semmle.python.dataflow.new.TaintTracking
 private import semmle.python.dataflow.new.DataFlow
 private import semmle.python.dataflow.new.DataFlow2
 private import semmle.python.ApiGraphs
@@ -239,7 +238,7 @@ private string sensitiveheaders() {
 /**
  * A config that tracks data flow from remote user input to Variable that hold sensitive info
  */
-class UserInputSecretConfig extends TaintTracking2::Configuration {
+class UserInputSecretConfig extends TaintTracking::Configuration {
   UserInputSecretConfig() { this = "UserInputSecretConfig" }
 
   override predicate isSource(DataFlow::Node source) { source instanceof RemoteFlowSource }