Revert "Revert "Revert "Revert "Remove redundant includes from string.h and tmpfile.h""""
diff --git a/grpc.gemspec b/grpc.gemspec
index 6019b97..9c9568c 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -73,6 +73,7 @@
   s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
   s.files += %w( include/grpc/impl/codegen/atm_windows.h )
+  s.files += %w( include/grpc/impl/codegen/gpr_slice.h )
   s.files += %w( include/grpc/impl/codegen/gpr_types.h )
   s.files += %w( include/grpc/impl/codegen/port_platform.h )
   s.files += %w( include/grpc/impl/codegen/slice.h )
@@ -155,6 +156,7 @@
   s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
   s.files += %w( include/grpc/impl/codegen/atm_windows.h )
+  s.files += %w( include/grpc/impl/codegen/gpr_slice.h )
   s.files += %w( include/grpc/impl/codegen/gpr_types.h )
   s.files += %w( include/grpc/impl/codegen/port_platform.h )
   s.files += %w( include/grpc/impl/codegen/slice.h )