diff --git a/src/libslic3r/SLA/Hollowing.cpp b/src/libslic3r/SLA/Hollowing.cpp
index a35ba511b1..2d3606c475 100644
--- a/src/libslic3r/SLA/Hollowing.cpp
+++ b/src/libslic3r/SLA/Hollowing.cpp
@@ -1,5 +1,7 @@
 #include <functional>
 #include <optional>
+#include <numeric>
+#include <unordered_set>
 
 #include <libslic3r/OpenVDBUtils.hpp>
 #include <libslic3r/TriangleMesh.hpp>
diff --git a/src/libslic3r/SlicesToTriangleMesh.cpp b/src/libslic3r/SlicesToTriangleMesh.cpp
index 3ea64e8781..9e290d472b 100644
--- a/src/libslic3r/SlicesToTriangleMesh.cpp
+++ b/src/libslic3r/SlicesToTriangleMesh.cpp
@@ -9,6 +9,8 @@
 #include <tbb/parallel_for.h>
 #include <tbb/parallel_reduce.h>
 
+#include <boost/log/trivial.hpp>
+
 namespace Slic3r {
 
 // Same as walls() but with identical higher and lower polygons.