diff --git a/lld/include/lld/Core/Reader.h b/lld/include/lld/Core/Reader.h
index 6b3d049a5d26..03e2a9ecafb7 100644
--- a/lld/include/lld/Core/Reader.h
+++ b/lld/include/lld/Core/Reader.h
@@ -29,7 +29,6 @@ class IO;
 namespace lld {
 class File;
 class LinkingContext;
-class PECOFFLinkingContext;
 class MachOLinkingContext;
 
 /// \brief An abstract class for reading object files, library files, and
@@ -113,8 +112,6 @@ public:
   // as parameters to the addSupport*() method.
   void addSupportArchives(bool logLoading);
   void addSupportYamlFiles();
-  void addSupportCOFFObjects(PECOFFLinkingContext &);
-  void addSupportCOFFImportLibraries(PECOFFLinkingContext &);
   void addSupportMachOObjects(MachOLinkingContext &);
 
   /// To convert between kind values and names, the registry walks the list
diff --git a/lld/include/lld/Core/Writer.h b/lld/include/lld/Core/Writer.h
index 3d9c8369b797..398be9e988e0 100644
--- a/lld/include/lld/Core/Writer.h
+++ b/lld/include/lld/Core/Writer.h
@@ -18,7 +18,6 @@ namespace lld {
 class File;
 class LinkingContext;
 class MachOLinkingContext;
-class PECOFFLinkingContext;
 
 /// \brief The Writer is an abstract class for writing object files, shared
 /// library files, and executable files.  Each file format (e.g. ELF, mach-o,
@@ -41,7 +40,6 @@ protected:
 };
 
 std::unique_ptr<Writer> createWriterMachO(const MachOLinkingContext &);
-std::unique_ptr<Writer> createWriterPECOFF(const PECOFFLinkingContext &);
 std::unique_ptr<Writer> createWriterYAML(const LinkingContext &);
 } // end namespace lld
 
diff --git a/lld/include/lld/Driver/Driver.h b/lld/include/lld/Driver/Driver.h
index c08fcce1e7d0..04baa12415b5 100644
--- a/lld/include/lld/Driver/Driver.h
+++ b/lld/include/lld/Driver/Driver.h
@@ -29,7 +29,6 @@ namespace lld {
 class LinkingContext;
 class CoreLinkingContext;
 class MachOLinkingContext;
-class PECOFFLinkingContext;
 
 typedef std::vector<std::unique_ptr<File>> FileVector;