diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 9179d197e7fa..781d9728dee3 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -1064,13 +1064,8 @@ template <class ELFT> void OutputSection<ELFT>::writeTo(uint8_t *Buf) {
   ArrayRef<uint8_t> Filler = Script<ELFT>::X->getFiller(this->Name);
   if (!Filler.empty())
     fill(Buf, this->getSize(), Filler);
-  if (Config->Threads) {
-    parallel_for_each(Sections.begin(), Sections.end(),
-                      [=](InputSection<ELFT> *C) { C->writeTo(Buf); });
-  } else {
-    for (InputSection<ELFT> *C : Sections)
-      C->writeTo(Buf);
-  }
+  parallel_for_each(Sections.begin(), Sections.end(),
+                    [=](InputSection<ELFT> *C) { C->writeTo(Buf); });
   // Linker scripts may have BYTE()-family commands with which you
   // can write arbitrary bytes to the output. Process them if any.
   Script<ELFT>::X->writeDataBytes(this->Name, Buf);