diff --git a/tests/fff_print/test_precise_seam.cpp b/tests/fff_print/test_precise_seam.cpp
index 2f48c626cc..170c867b95 100644
--- a/tests/fff_print/test_precise_seam.cpp
+++ b/tests/fff_print/test_precise_seam.cpp
@@ -16,6 +16,7 @@
 #include "libslic3r/Point.hpp"
 #include "libslic3r/Polygon.hpp"
 #include "libslic3r/Model.hpp"
+#include "libslic3r/PrintConfig.hpp"
 #include <vector>
 #include <utility>
 #include "libslic3r/libslic3r.h"
diff --git a/tests/libslic3r/test_3mf.cpp b/tests/libslic3r/test_3mf.cpp
index ceb949285d..9570cb3ecf 100644
--- a/tests/libslic3r/test_3mf.cpp
+++ b/tests/libslic3r/test_3mf.cpp
@@ -22,6 +22,8 @@
 #include "libslic3r/Config.hpp"
 #include "libslic3r/Geometry.hpp"
 #include <cstddef>
+#include "libslic3r/Point.hpp"
+#include "libslic3r/Utils.hpp"
 #include <miniz.h>
 #include "libslic3r/TriangleMesh.hpp"
 #include "libslic3r/TriangleSelector.hpp"
diff --git a/tests/libslic3r/test_config.cpp b/tests/libslic3r/test_config.cpp
index da8c7195fb..382303cb36 100644
--- a/tests/libslic3r/test_config.cpp
+++ b/tests/libslic3r/test_config.cpp
@@ -19,6 +19,7 @@
 #include <boost/filesystem.hpp>
 #include <boost/nowide/fstream.hpp>
 #include "libslic3r/Config.hpp"
+#include <cstddef>
 #include <initializer_list>
 #include <memory>
 #include <map>
diff --git a/tests/libslic3r/test_precise_seam.cpp b/tests/libslic3r/test_precise_seam.cpp
index d8a1130192..d31c645f13 100644
--- a/tests/libslic3r/test_precise_seam.cpp
+++ b/tests/libslic3r/test_precise_seam.cpp
@@ -1,10 +1,24 @@
 #include <catch2/catch_all.hpp>
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers.hpp>
+#include <catch2/matchers/catch_matchers_floating_point.hpp>
+#include <catch2/generators/catch_generators.hpp>
+#include <catch2/catch_message.hpp>
 #include "libslic3r/GCode/PreciseSeam.hpp"
 #include "libslic3r/GCode/PreciseSeamInternal.hpp"
 #include "libslic3r/ClipperUtils.hpp"
 
 #include <algorithm>
 #include <cmath>
+#include "libslic3r/Point.hpp"
+#include "libslic3r/Polygon.hpp"
+#include <utility>
+#include <cstddef>
+#include "libslic3r/ExPolygon.hpp"
+#include "libslic3r/Model.hpp"
+#include <vector>
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Polyline.hpp"
 
 using namespace Slic3r;
 
diff --git a/tests/libslic3r/test_stl.cpp b/tests/libslic3r/test_stl.cpp
index b121bfc122..c6703739ff 100644
--- a/tests/libslic3r/test_stl.cpp
+++ b/tests/libslic3r/test_stl.cpp
@@ -1,5 +1,8 @@
 #include <catch2/catch_all.hpp>
 #include <algorithm>
+#include "libslic3r/TriangleMesh.hpp"
+#include <cstdint>
+#include <ios>
 #include <string>
 #include "libslic3r/Point.hpp"