diff --git a/unittests/Analysis/AliasAnalysisTest.cpp b/unittests/Analysis/AliasAnalysisTest.cpp
index 80bdcf7dc30..83f4c248193 100644
--- a/unittests/Analysis/AliasAnalysisTest.cpp
+++ b/unittests/Analysis/AliasAnalysisTest.cpp
@@ -18,6 +18,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Module.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"
 
diff --git a/unittests/Analysis/CFGTest.cpp b/unittests/Analysis/CFGTest.cpp
index 107bd085e6f..5ac5306d0a1 100644
--- a/unittests/Analysis/CFGTest.cpp
+++ b/unittests/Analysis/CFGTest.cpp
@@ -16,7 +16,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Module.h"
-#include "llvm/Pass.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"
diff --git a/unittests/Analysis/UnrollAnalyzerTest.cpp b/unittests/Analysis/UnrollAnalyzerTest.cpp
index dfa42678ea8..002dd6cd630 100644
--- a/unittests/Analysis/UnrollAnalyzerTest.cpp
+++ b/unittests/Analysis/UnrollAnalyzerTest.cpp
@@ -10,6 +10,7 @@
 #include "llvm/AsmParser/Parser.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"
 
diff --git a/unittests/CodeGen/GlobalISel/GISelMITest.h b/unittests/CodeGen/GlobalISel/GISelMITest.h
index 408fea7f1cb..0ba410236c3 100644
--- a/unittests/CodeGen/GlobalISel/GISelMITest.h
+++ b/unittests/CodeGen/GlobalISel/GISelMITest.h
@@ -21,6 +21,7 @@
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/FileCheck.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetRegistry.h"
diff --git a/unittests/CodeGen/TargetOptionsTest.cpp b/unittests/CodeGen/TargetOptionsTest.cpp
index 6b4d3eda7ee..c7d1d28928d 100644
--- a/unittests/CodeGen/TargetOptionsTest.cpp
+++ b/unittests/CodeGen/TargetOptionsTest.cpp
@@ -2,6 +2,7 @@
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Target/TargetMachine.h"
diff --git a/unittests/IR/LegacyPassManagerTest.cpp b/unittests/IR/LegacyPassManagerTest.cpp
index 1ce7fa0bd0e..aa02cbe96e0 100644
--- a/unittests/IR/LegacyPassManagerTest.cpp
+++ b/unittests/IR/LegacyPassManagerTest.cpp
@@ -26,7 +26,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/OptBisect.h"
-#include "llvm/Pass.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
 #include "gtest/gtest.h"
diff --git a/unittests/MI/LiveIntervalTest.cpp b/unittests/MI/LiveIntervalTest.cpp
index 782df239dea..835d3f91c66 100644
--- a/unittests/MI/LiveIntervalTest.cpp
+++ b/unittests/MI/LiveIntervalTest.cpp
@@ -5,6 +5,7 @@
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetRegistry.h"