diff --git a/llvm/lib/DebugInfo/DWARF/DWARFExpressionPrinter.cpp b/llvm/lib/DebugInfo/DWARF/DWARFExpressionPrinter.cpp
index 16133b637e875..ebcd4dda50488 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFExpressionPrinter.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFExpressionPrinter.cpp
@@ -13,7 +13,6 @@
 #include "llvm/Support/Format.h"
 #include <cassert>
 #include <cstdint>
-#include <vector>
 
 using namespace llvm;
 using namespace dwarf;
diff --git a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
index 679881054f9da..37d1a28b4f356 100644
--- a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
+++ b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
@@ -19,7 +19,6 @@
 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
diff --git a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
index d719f234b27f7..bafb8d0773232 100644
--- a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
@@ -12,7 +12,6 @@
 
 #include "AArch64SelectionDAGInfo.h"
 #include "AArch64MachineFunctionInfo.h"
-#include "AArch64TargetMachine.h"
 
 #define GET_SDNODE_DESC
 #include "AArch64GenSDNodeInfo.inc"
diff --git a/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp b/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
index e6e8a881e610d..6fe7688224d39 100644
--- a/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
+++ b/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
@@ -45,7 +45,6 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
-#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Use.h"
 #include "llvm/IR/User.h"
diff --git a/llvm/lib/Target/Sparc/SparcISelLowering.cpp b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
index 392d16883d990..85ad6c9aad914 100644
--- a/llvm/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
@@ -12,7 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "SparcISelLowering.h"
-#include "MCTargetDesc/SparcMCAsmInfo.h"
 #include "MCTargetDesc/SparcMCTargetDesc.h"
 #include "SparcMachineFunctionInfo.h"
 #include "SparcRegisterInfo.h"