diff --git a/llvm/utils/gn/secondary/lld/MachO/BUILD.gn b/llvm/utils/gn/secondary/lld/MachO/BUILD.gn
index 67cf2491734713..6ed0221c5c0542 100644
--- a/llvm/utils/gn/secondary/lld/MachO/BUILD.gn
+++ b/llvm/utils/gn/secondary/lld/MachO/BUILD.gn
@@ -32,6 +32,7 @@ static_library("MachO2") {
     "DriverUtils.cpp",
     "Dwarf.cpp",
     "ExportTrie.cpp",
+    "ICF.cpp",
     "InputFiles.cpp",
     "InputSection.cpp",
     "LTO.cpp",