--- BUILD
+++ BUILD
@@ -931,13 +931,10 @@ py_library(
         [
             "python/google/protobuf/**/*.py",
         ],
-        exclude = [
-            "python/google/protobuf/internal/*_test.py",
-            "python/google/protobuf/internal/test_util.py",
-        ],
     ),
     imports = ["python"],
     srcs_version = "PY2AND3",
+    visibility = ["//visibility:public"],
 )
 
 cc_binary(
@@ -1038,13 +1035,6 @@ py_proto_library(
     name = "protobuf_python",
     srcs = COPIED_WELL_KNOWN_PROTOS,
     include = "python",
-    data = select({
-        "//conditions:default": [],
-        ":use_fast_cpp_protos": [
-            ":python/google/protobuf/internal/_api_implementation.so",
-            ":python/google/protobuf/pyext/_message.so",
-        ],
-    }),
     default_runtime = "",
     protoc = ":protoc",
     py_libs = [
@@ -1080,6 +1070,7 @@ py_proto_library(
     protoc = ":protoc",
     srcs_version = "PY2AND3",
     deps = [":protobuf_python"],
+    visibility = ["//visibility:public"],
 )
 
 py_proto_library(
@@ -1093,6 +1084,7 @@ py_proto_library(
     protoc = ":protoc",
     srcs_version = "PY2AND3",
     deps = [":python_common_test_protos"],
+    visibility = ["//visibility:public"],
 )
 
 py_library(