diff --git a/snappy-internal.h b/snappy-internal.h
index 0cccba1..26be0cc 100644
--- a/snappy-internal.h
+++ b/snappy-internal.h
@@ -50,7 +50,9 @@ class WorkingMemory {
   uint16 small_table_[1<<10];    // 2KB
   uint16* large_table_;          // Allocated only when needed
 
-  DISALLOW_COPY_AND_ASSIGN(WorkingMemory);
+  // No copying
+  WorkingMemory(const WorkingMemory&);
+  void operator=(const WorkingMemory&);
 };
 
 // Flat array compression that does not emit the "uncompressed length"
diff --git a/snappy-stubs-internal.h b/snappy-stubs-internal.h
index 6979e1a..0dcd270 100644
--- a/snappy-stubs-internal.h
+++ b/snappy-stubs-internal.h
@@ -350,7 +350,9 @@ class Bits {
   static int FindLSBSetNonZero64(uint64 n);
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(Bits);
+  // No copying
+  Bits(const Bits&);
+  void operator=(const Bits&);
 };
 
 #ifdef HAVE_BUILTIN_CTZ
diff --git a/snappy-stubs-public.h.in b/snappy-stubs-public.h.in
index 96989ac..15f5c9e 100644
--- a/snappy-stubs-public.h.in
+++ b/snappy-stubs-public.h.in
@@ -80,12 +80,6 @@ typedef unsigned long long uint64;
 
 typedef std::string string;
 
-#ifndef DISALLOW_COPY_AND_ASSIGN
-#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
-  TypeName(const TypeName&);               \
-  void operator=(const TypeName&)
-#endif
-
 #if !@ac_cv_have_sys_uio_h@
 // Windows does not have an iovec type, yet the concept is universally useful.
 // It is simple to define it ourselves, so we put it inside our own namespace.