diff --git a/lldb/include/lldb/Expression/Materializer.h b/lldb/include/lldb/Expression/Materializer.h
index 603b4e0066cd..70f622e7850b 100644
--- a/lldb/include/lldb/Expression/Materializer.h
+++ b/lldb/include/lldb/Expression/Materializer.h
@@ -115,8 +115,6 @@ public:
     void SetOffset(uint32_t offset) { m_offset = offset; }
 
   protected:
-    void SetSizeAndAlignmentFromType(CompilerType &type);
-
     uint32_t m_alignment;
     uint32_t m_size;
     uint32_t m_offset;
diff --git a/lldb/source/Expression/Materializer.cpp b/lldb/source/Expression/Materializer.cpp
index 291f81e5a6af..64dffa3d3bf3 100644
--- a/lldb/source/Expression/Materializer.cpp
+++ b/lldb/source/Expression/Materializer.cpp
@@ -45,20 +45,6 @@ uint32_t Materializer::AddStructMember(Entity &entity) {
   return ret;
 }
 
-void Materializer::Entity::SetSizeAndAlignmentFromType(CompilerType &type) {
-  if (llvm::Optional<uint64_t> size = type.GetByteSize(nullptr))
-    m_size = *size;
-
-  uint32_t bit_alignment = type.GetTypeBitAlign();
-
-  if (bit_alignment % 8) {
-    bit_alignment += 8;
-    bit_alignment &= ~((uint32_t)0x111u);
-  }
-
-  m_alignment = bit_alignment / 8;
-}
-
 class EntityPersistentVariable : public Materializer::Entity {
 public:
   EntityPersistentVariable(lldb::ExpressionVariableSP &persistent_variable_sp,