diff --git a/flatpak/io.github.softfever.OrcaSlicer.yml b/flatpak/io.github.softfever.OrcaSlicer.yml
index 308801276..0eb8b86c1 100755
--- a/flatpak/io.github.softfever.OrcaSlicer.yml
+++ b/flatpak/io.github.softfever.OrcaSlicer.yml
@@ -304,8 +304,6 @@ modules:
       # OrcaSlicer Source Archive
       - type: dir 
         path: ../
-      - type: patch
-        path: patches/libslic3r_missing_include.patch 
 
       # AppData metainfo for Gnome Software & Co.
       - type: file
diff --git a/flatpak/patches/libslic3r_missing_include.patch b/flatpak/patches/libslic3r_missing_include.patch
deleted file mode 100644
index 3c48e5153..000000000
--- a/flatpak/patches/libslic3r_missing_include.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
-index 528a72e70..1530fe655 100644
---- a/src/libslic3r/PrintObject.cpp
-+++ b/src/libslic3r/PrintObject.cpp
-@@ -31,6 +31,7 @@
- #include <boost/log/trivial.hpp>
- 
- #include <tbb/parallel_for.h>
-+#include <tbb/spin_mutex.h>
- 
- #include <Shiny/Shiny.h>
- 
diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
index 528a72e70..1530fe655 100644
--- a/src/libslic3r/PrintObject.cpp
+++ b/src/libslic3r/PrintObject.cpp
@@ -31,6 +31,7 @@
 #include <boost/log/trivial.hpp>
 
 #include <tbb/parallel_for.h>
+#include <tbb/spin_mutex.h>
 
 #include <Shiny/Shiny.h>