diff --git a/src/libslic3r/Arachne/SkeletalTrapezoidation.cpp b/src/libslic3r/Arachne/SkeletalTrapezoidation.cpp
index 3a2c5f507e..6d95241b03 100644
--- a/src/libslic3r/Arachne/SkeletalTrapezoidation.cpp
+++ b/src/libslic3r/Arachne/SkeletalTrapezoidation.cpp
@@ -21,6 +21,10 @@
 #include "libslic3r/Arachne/utils/ExtrusionJunction.hpp"
 #include "libslic3r/Arachne/utils/ExtrusionLine.hpp"
 
+#ifndef NDEBUG
+    #include "libslic3r/EdgeGrid.hpp"
+#endif
+
 #define SKELETAL_TRAPEZOIDATION_BEAD_SEARCH_MAX 1000 //A limit to how long it'll keep searching for adjacent beads. Increasing will re-use beadings more often (saving performance), but search longer for beading (costing performance).
 
 namespace Slic3r::Arachne
diff --git a/src/slic3r/Utils/WxFontUtils.cpp b/src/slic3r/Utils/WxFontUtils.cpp
index 24e61bde1b..d99e6b09f2 100644
--- a/src/slic3r/Utils/WxFontUtils.cpp
+++ b/src/slic3r/Utils/WxFontUtils.cpp
@@ -10,6 +10,7 @@
 #include <optional>
 #include <vector>
 
+#include "libslic3r/Utils.hpp" // IWYU pragma: keep
 #include "libslic3r/Emboss.hpp"
 #include "libslic3r/Exception.hpp"
 
@@ -357,4 +358,4 @@ std::unique_ptr<Emboss::FontFile> WxFontUtils::set_bold(wxFont &font, const Embo
     // There is NO bold font by wx
     font.SetWeight(orig_weight);
     return nullptr;
-}
\ No newline at end of file
+}