diff --git a/llvm/lib/MC/MCExpr.cpp b/llvm/lib/MC/MCExpr.cpp
index 765f1a2e42b9e..2a8b91d554a09 100644
--- a/llvm/lib/MC/MCExpr.cpp
+++ b/llvm/lib/MC/MCExpr.cpp
@@ -8,7 +8,6 @@
 
 #include "llvm/MC/MCExpr.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmInfo.h"
diff --git a/llvm/lib/MC/MCNullStreamer.cpp b/llvm/lib/MC/MCNullStreamer.cpp
index f76b2f754b189..e80cf37af3e8e 100644
--- a/llvm/lib/MC/MCNullStreamer.cpp
+++ b/llvm/lib/MC/MCNullStreamer.cpp
@@ -9,7 +9,6 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/Support/SMLoc.h"
 namespace llvm {
 class MCContext;
 class MCExpr;
diff --git a/llvm/lib/MC/MCParser/AsmLexer.cpp b/llvm/lib/MC/MCParser/AsmLexer.cpp
index b91f1f544d29c..b961c636d1cf0 100644
--- a/llvm/lib/MC/MCParser/AsmLexer.cpp
+++ b/llvm/lib/MC/MCParser/AsmLexer.cpp
@@ -15,7 +15,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/Support/Compiler.h"
@@ -27,8 +26,6 @@
 #include <cstdio>
 #include <cstring>
 #include <string>
-#include <tuple>
-#include <utility>
 
 using namespace llvm;
 
diff --git a/llvm/lib/MC/MCParser/ELFAsmParser.cpp b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
index b58889c45d210..2467b4be2fa92 100644
--- a/llvm/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
@@ -23,7 +23,6 @@
 #include "llvm/MC/MCSymbolELF.h"
 #include "llvm/MC/SectionKind.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/SMLoc.h"
 #include <cassert>
 #include <cstdint>
diff --git a/llvm/lib/MC/MCParser/MasmParser.cpp b/llvm/lib/MC/MCParser/MasmParser.cpp
index 51ac19c623732..cbed7271f6ec7 100644
--- a/llvm/lib/MC/MCParser/MasmParser.cpp
+++ b/llvm/lib/MC/MCParser/MasmParser.cpp
@@ -22,7 +22,6 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Twine.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCCodeView.h"
 #include "llvm/MC/MCContext.h"
@@ -38,7 +37,6 @@
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"
diff --git a/llvm/lib/MC/MCValue.cpp b/llvm/lib/MC/MCValue.cpp
index 04bd65b8aefed..d1341f927584e 100644
--- a/llvm/lib/MC/MCValue.cpp
+++ b/llvm/lib/MC/MCValue.cpp
@@ -11,7 +11,6 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;