--- a/components/update_client/BUILD.gn
+++ b/components/update_client/BUILD.gn
@@ -308,8 +308,6 @@ source_set("unit_tests") {
     "//third_party/puffin:libpuffpatch",
     "//third_party/re2",
   ]
-
-  data_deps = [ "//components/test/data/update_client/puffin_patch_test:puffin_patch_test_files" ]
 }
 
 fuzzer_test("update_client_protocol_serializer_fuzzer") {
--- a/third_party/puffin/BUILD.gn
+++ b/third_party/puffin/BUILD.gn
@@ -115,7 +115,6 @@ executable("puffin_unittest") {
     "src/unittest_common.cc",
     "src/utils_unittest.cc",
   ]
-  data_deps = [ "//components/test/data/update_client/puffin_patch_test:puffin_patch_test_files" ]
   deps = [
     ":libpuffdiff",
     ":libpuffpatch",