diff --git a/src/blackmisc/simulation/interpolator.h b/src/blackmisc/simulation/interpolator.h
index c91c06ec7..eabccdb03 100644
--- a/src/blackmisc/simulation/interpolator.h
+++ b/src/blackmisc/simulation/interpolator.h
@@ -18,8 +18,8 @@
 #include "blackmisc/logcategories.h"
 #include "blackmisc/statusmessagelist.h"
 
-#include <QObject>
 #include <QString>
+#include <QStringList>
 #include <QtGlobal>
 #include <QTimer>
 
diff --git a/src/blackmisc/simulation/interpolatorlinear.cpp b/src/blackmisc/simulation/interpolatorlinear.cpp
index fd7b4b9f6..feed9e302 100644
--- a/src/blackmisc/simulation/interpolatorlinear.cpp
+++ b/src/blackmisc/simulation/interpolatorlinear.cpp
@@ -6,18 +6,12 @@
 #include "blackmisc/aviation/aircraftsituationlist.h"
 #include "blackmisc/aviation/altitude.h"
 #include "blackmisc/geo/coordinategeodetic.h"
-#include "blackmisc/pq/length.h"
 #include "blackmisc/pq/physicalquantity.h"
 #include "blackmisc/logmessage.h"
-#include "blackmisc/mixin/mixincompare.h"
 #include "blackmisc/verify.h"
 #include "blackmisc/range.h"
-#include "blackmisc/sequence.h"
-#include "blackmisc/statusmessage.h"
 #include "blackconfig/buildconfig.h"
 
-#include <QDateTime>
-#include <QList>
 #include <array>
 
 using namespace BlackConfig;
diff --git a/src/blackmisc/simulation/interpolatorlinear.h b/src/blackmisc/simulation/interpolatorlinear.h
index 8d58aed7e..73d38773e 100644
--- a/src/blackmisc/simulation/interpolatorlinear.h
+++ b/src/blackmisc/simulation/interpolatorlinear.h
@@ -11,7 +11,7 @@
 #include "blackmisc/simulation/interpolant.h"
 #include "blackmisc/aviation/aircraftsituation.h"
 #include "blackmisc/blackmiscexport.h"
-#include <QString>
+
 #include <QtGlobal>
 
 class QObject;
diff --git a/src/blackmisc/simulation/interpolatorspline.h b/src/blackmisc/simulation/interpolatorspline.h
index 1d058e7cf..710e492a0 100644
--- a/src/blackmisc/simulation/interpolatorspline.h
+++ b/src/blackmisc/simulation/interpolatorspline.h
@@ -11,8 +11,6 @@
 #include "blackmisc/simulation/interpolant.h"
 #include "blackmisc/aviation/aircraftsituation.h"
 #include "blackmisc/blackmiscexport.h"
-#include <QString>
-#include <QtGlobal>
 
 namespace BlackMisc::Simulation
 {