diff --git a/Lab/demo/Lab/CMakeLists.txt b/Lab/demo/Lab/CMakeLists.txt
index 58db5b0fb02..3955f6247f4 100644
--- a/Lab/demo/Lab/CMakeLists.txt
+++ b/Lab/demo/Lab/CMakeLists.txt
@@ -262,11 +262,11 @@ if(CGAL_Qt6_FOUND AND Qt6_FOUND)
   if(TARGET CGAL::TBB_support)
     target_link_libraries(c3t3_type_pch PRIVATE CGAL::TBB_support)
   endif()
-  target_precompile_headers(c3t3_type_pch PRIVATE [["C3t3_type.h"]])
+  # target_precompile_headers(c3t3_type_pch PRIVATE [["C3t3_type.h"]])
 
   function(CGAL_Lab_target_use_c3t3_type target)
     target_link_libraries(${target} PRIVATE c3t3_type_pch)
-    target_precompile_headers(${target} REUSE_FROM c3t3_type_pch)
+    # target_precompile_headers(${target} REUSE_FROM c3t3_type_pch)
     if(TARGET CGAL::TBB_support)
       target_link_libraries(${target} PRIVATE CGAL::TBB_support)
     endif()