diff --git a/tensorflow/core/util/memmapped_file_system.cc b/tensorflow/core/util/memmapped_file_system.cc
index b3ca943c903..a07c1fbb7be 100644
--- a/tensorflow/core/util/memmapped_file_system.cc
+++ b/tensorflow/core/util/memmapped_file_system.cc
@@ -190,13 +190,8 @@ const void* MemmappedFileSystem::GetMemoryWithOffset(uint64 offset) const {
   return reinterpret_cast<const uint8*>(mapped_memory_->data()) + offset;
 }
 
-#if defined(_MSC_VER)
-constexpr char* MemmappedFileSystem::kMemmappedPackagePrefix;
-constexpr char* MemmappedFileSystem::kMemmappedPackageDefaultGraphDef;
-#else
-constexpr char MemmappedFileSystem::kMemmappedPackagePrefix[];
-constexpr char MemmappedFileSystem::kMemmappedPackageDefaultGraphDef[];
-#endif
+constexpr const char MemmappedFileSystem::kMemmappedPackagePrefix[];
+constexpr const char MemmappedFileSystem::kMemmappedPackageDefaultGraphDef[];
 
 Status MemmappedFileSystem::InitializeFromFile(Env* env,
                                                const string& filename) {
diff --git a/tensorflow/core/util/memmapped_file_system.h b/tensorflow/core/util/memmapped_file_system.h
index 958e23d28e5..fea11a8351e 100644
--- a/tensorflow/core/util/memmapped_file_system.h
+++ b/tensorflow/core/util/memmapped_file_system.h
@@ -53,19 +53,11 @@ class MemmappedFileSystem : public FileSystem {
  public:
   // Memmapped regions use this prefix to distinguish from
   // the filesystem.
-#if defined(_MSC_VER)
-  static constexpr char* kMemmappedPackagePrefix =
-#else
-  static constexpr char kMemmappedPackagePrefix[] =
-#endif
+  static constexpr const char kMemmappedPackagePrefix[] =
       "memmapped_package://";
 
-// The default graphdef in the package.
-#if defined(_MSC_VER)
-  static constexpr char* kMemmappedPackageDefaultGraphDef =
-#else
-  static constexpr char kMemmappedPackageDefaultGraphDef[] =
-#endif
+  // The default graphdef in the package.
+  static constexpr const char kMemmappedPackageDefaultGraphDef[] =
       "memmapped_package://.";
 
   MemmappedFileSystem();