From 4cdc7459b7edc0e884ec26407b7e3dd33c92619b Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Sun, 24 Nov 2024 19:18:57 -0500
Subject: [PATCH] fix after IWYU

---
 src/algorithms/tracking/CKFTracking.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/algorithms/tracking/CKFTracking.cc b/src/algorithms/tracking/CKFTracking.cc
index 45306f0de3..ba07f93561 100644
--- a/src/algorithms/tracking/CKFTracking.cc
+++ b/src/algorithms/tracking/CKFTracking.cc
@@ -7,7 +7,9 @@
 #include <Acts/Definitions/TrackParametrization.hpp>
 #include <Acts/Definitions/Units.hpp>
 #include <Acts/EventData/GenericBoundTrackParameters.hpp>
+#if Acts_VERSION_MAJOR >= 32
 #include <Acts/EventData/TrackStateProxy.hpp>
+#endif
 #include <Acts/EventData/Types.hpp>
 #if Acts_VERSION_MAJOR < 36
 #include <Acts/EventData/Measurement.hpp>