4 files changed, 0 insertions, 25 deletions
diff --git a/lld/Common/ErrorHandler.cpp b/lld/Common/ErrorHandler.cpp
index 522174cc7b0..52f40c5cf38 100644
--- a/lld/Common/ErrorHandler.cpp
+++ b/lld/Common/ErrorHandler.cpp
@@ -46,7 +46,6 @@ ErrorHandler &lld::errorHandler() {
 }
 
 void lld::exitLld(int Val) {
-  waitForBackgroundThreads();
   // Dealloc/destroy ManagedStatic variables before calling
   // _exit(). In a non-LTO build, this is a nop. In an LTO
   // build allows us to get the output of -time-passes.
diff --git a/lld/Common/Threads.cpp b/lld/Common/Threads.cpp
index 2667683a1c8..c64b8c38b90 100644
--- a/lld/Common/Threads.cpp
+++ b/lld/Common/Threads.cpp
@@ -8,25 +8,5 @@
 //===----------------------------------------------------------------------===//
 
 #include "lld/Common/Threads.h"
-#include <thread>
-#include <vector>
-
-static std::vector<std::thread> Threads;
 
 bool lld::ThreadsEnabled = true;
-
-// Runs a given function in a new thread.
-void lld::runBackground(std::function<void()> Fn) {
-  Threads.emplace_back(Fn);
-}
-
-// Wait for all threads spawned for runBackground() to finish.
-//
-// You need to call this function from the main thread before exiting
-// because it is not defined what will happen to non-main threads when
-// the main thread exits.
-void lld::waitForBackgroundThreads() {
-  for (std::thread &T : Threads)
-    if (T.joinable())
-      T.join();
-}
diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index 16d593bbac6..a2e4559bab3 100644
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -93,7 +93,6 @@ bool elf::link(ArrayRef<const char *> Args, bool CanExitEarly,
   Config->Argv = {Args.begin(), Args.end()};
 
   Driver->main(Args, CanExitEarly);
-  waitForBackgroundThreads();
 
   // Exit immediately if we don't need to return to the caller.
   // This saves time because the overhead of calling destructors
diff --git a/lld/include/lld/Common/Threads.h b/lld/include/lld/Common/Threads.h
index 981946723bc..85459075314 100644
--- a/lld/include/lld/Common/Threads.h
+++ b/lld/include/lld/Common/Threads.h
@@ -81,9 +81,6 @@ inline void parallelForEachN(size_t Begin, size_t End,
     for_each_n(llvm::parallel::seq, Begin, End, Fn);
 }
 
-void runBackground(std::function<void()> Fn);
-void waitForBackgroundThreads();
-
 } // namespace lld
 
 #endif