diff --git a/llvm/lib/Transforms/Obfuscation/Flattening.cpp b/llvm/lib/Transforms/Obfuscation/Flattening.cpp
index 99814252be74..b40614462f1b 100644
--- a/llvm/lib/Transforms/Obfuscation/Flattening.cpp
+++ b/llvm/lib/Transforms/Obfuscation/Flattening.cpp
@@ -75,11 +75,7 @@ bool Flattening::flatten(Function *f) {
   // END OF SCRAMBLER
 
   // Lower switch
-#if LLVM_VERSION_MAJOR * 10 + LLVM_VERSION_MINOR >= 90
   FunctionPass *lower = createLegacyLowerSwitchPass();
-#else
-  FunctionPass *lower = createLowerSwitchPass();
-#endif
   lower->runOnFunction(*f);
 
   // Save all original BB