diff --git a/dvc/remote/local/__init__.py b/dvc/remote/local/__init__.py
index 3a4192721..299a6ad4b 100644
--- a/dvc/remote/local/__init__.py
+++ b/dvc/remote/local/__init__.py
@@ -7,7 +7,6 @@ import os
 import stat
 import errno
 from shortuuid import uuid
-import shutil
 import logging
 from functools import partial
 
@@ -172,7 +171,7 @@ class RemoteLOCAL(RemoteBASE):
         move(from_info, to_info, mode=mode)
 
     def copy(self, from_info, to_info):
-        shutil.copyfile(from_info.fspath, to_info.fspath)
+        System.copy(from_info, to_info)
 
     def symlink(self, from_info, to_info):
         System.symlink(from_info, to_info)
diff --git a/dvc/system.py b/dvc/system.py
index b445ec01a..c7c7cf8e4 100644
--- a/dvc/system.py
+++ b/dvc/system.py
@@ -4,6 +4,7 @@ from dvc.utils.compat import str, open, fspath
 
 import os
 import errno
+import shutil
 
 
 class System(object):
@@ -11,6 +12,11 @@ class System(object):
     def is_unix():
         return os.name != "nt"
 
+    @staticmethod
+    def copy(src, dest):
+        src, dest = fspath(src), fspath(dest)
+        return shutil.copyfile(src, dest)
+
     @staticmethod
     def hardlink(source, link_name):
         import ctypes
diff --git a/tests/func/test_add.py b/tests/func/test_add.py
index c11e0a3b6..c804fa203 100644
--- a/tests/func/test_add.py
+++ b/tests/func/test_add.py
@@ -563,12 +563,12 @@ def test_should_not_checkout_when_adding_cached_copy(repo_dir, dvc_repo):
 
     shutil.copy(repo_dir.BAR, repo_dir.FOO)
 
-    copy_spy = spy(shutil.copyfile)
+    copy_spy = spy(dvc_repo.cache.local.copy)
 
-    RemoteLOCAL.CACHE_TYPE_MAP["copy"] = copy_spy
-    dvc_repo.add(repo_dir.FOO)
+    with patch.object(dvc_repo.cache.local, "copy", copy_spy):
+        dvc_repo.add(repo_dir.FOO)
 
-    assert copy_spy.mock.call_count == 0
+        assert copy_spy.mock.call_count == 0
 
 
 @pytest.mark.parametrize(
@@ -583,13 +583,13 @@ def test_should_not_checkout_when_adding_cached_copy(repo_dir, dvc_repo):
 def test_should_relink_on_repeated_add(
     link, new_link, link_test_func, repo_dir, dvc_repo
 ):
-    dvc_repo.cache.local.cache_types = [link]
+    dvc_repo.config.set("cache", "type", link)
 
     dvc_repo.add(repo_dir.FOO)
     dvc_repo.add(repo_dir.BAR)
 
     os.remove(repo_dir.FOO)
-    RemoteLOCAL.CACHE_TYPE_MAP[link](repo_dir.BAR, repo_dir.FOO)
+    getattr(dvc_repo.cache.local, link)(repo_dir.BAR, repo_dir.FOO)
 
     dvc_repo.cache.local.cache_types = [new_link]
 
@@ -613,10 +613,11 @@ def test_should_relink_single_file_in_dir(link, link_func, dvc_repo, repo_dir):
     dvc_repo.unprotect(repo_dir.DATA_SUB)
 
     link_spy = spy(link_func)
-    RemoteLOCAL.CACHE_TYPE_MAP[link] = link_spy
-    dvc_repo.add(repo_dir.DATA_DIR)
 
-    assert link_spy.mock.call_count == 1
+    with patch.object(dvc_repo.cache.local, link, link_spy):
+        dvc_repo.add(repo_dir.DATA_DIR)
+
+        assert link_spy.mock.call_count == 1
 
 
 @pytest.mark.parametrize("link", ["hardlink", "symlink", "copy"])