diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h
index 2093beb29242..e42ab0d63af1 100644
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h
@@ -204,12 +204,9 @@ public:
     return getDwarfOffsetByteSize();
   }
   uint8_t getDwarfOffsetByteSize() const {
-    switch (getFormat()) {
-    case dwarf::DwarfFormat::DWARF32:
-      return 4;
-    case dwarf::DwarfFormat::DWARF64:
+    if (getFormat() == dwarf::DwarfFormat::DWARF64)
       return 8;
-    }
+    return 4;
   }
   uint64_t getBaseAddress() const { return BaseAddr; }