diff --git a/skywalking/agent/protocol/grpc/__init__.py b/skywalking/agent/protocol/grpc.py
similarity index 98%
rename from skywalking/agent/protocol/grpc/__init__.py
rename to skywalking/agent/protocol/grpc.py
index 8a551320c3e9220ea7820dbd299f011a546cb0a5..1e47ba453a8483e448eb41e7edab8d85a1737354 100644
--- a/skywalking/agent/protocol/grpc/__init__.py
+++ b/skywalking/agent/protocol/grpc.py
@@ -24,7 +24,7 @@ from common.Common_pb2 import KeyStringValuePair
 from language_agent.Tracing_pb2 import SegmentObject, SpanObject, Log, SegmentReference
 from skywalking import config
 from skywalking.agent import Protocol
-from skywalking.agent.protocol.grpc.interceptors import header_adder_interceptor
+from skywalking.agent.protocol.interceptors import header_adder_interceptor
 from skywalking.client.grpc import GrpcServiceManagementClient, GrpcTraceSegmentReportService
 from skywalking.trace.segment import Segment
 
diff --git a/skywalking/agent/protocol/http/__init__.py b/skywalking/agent/protocol/http.py
similarity index 100%
rename from skywalking/agent/protocol/http/__init__.py
rename to skywalking/agent/protocol/http.py
diff --git a/skywalking/agent/protocol/grpc/interceptors.py b/skywalking/agent/protocol/interceptors.py
similarity index 100%
rename from skywalking/agent/protocol/grpc/interceptors.py
rename to skywalking/agent/protocol/interceptors.py
diff --git a/skywalking/client/grpc/__init__.py b/skywalking/client/grpc.py
similarity index 100%
rename from skywalking/client/grpc/__init__.py
rename to skywalking/client/grpc.py
diff --git a/skywalking/client/http/__init__.py b/skywalking/client/http.py
similarity index 100%
rename from skywalking/client/http/__init__.py
rename to skywalking/client/http.py
diff --git a/skywalking/config/__init__.py b/skywalking/config.py
similarity index 100%
rename from skywalking/config/__init__.py
rename to skywalking/config.py
diff --git a/skywalking/decorators/__init__.py b/skywalking/decorators.py
similarity index 100%
rename from skywalking/decorators/__init__.py
rename to skywalking/decorators.py
diff --git a/skywalking/loggings/__init__.py b/skywalking/loggings.py
similarity index 100%
rename from skywalking/loggings/__init__.py
rename to skywalking/loggings.py
diff --git a/skywalking/plugins/sw_django/__init__.py b/skywalking/plugins/sw_django.py
similarity index 100%
rename from skywalking/plugins/sw_django/__init__.py
rename to skywalking/plugins/sw_django.py
diff --git a/skywalking/plugins/sw_flask/__init__.py b/skywalking/plugins/sw_flask.py
similarity index 100%
rename from skywalking/plugins/sw_flask/__init__.py
rename to skywalking/plugins/sw_flask.py
diff --git a/skywalking/plugins/sw_http_server/__init__.py b/skywalking/plugins/sw_http_server.py
similarity index 100%
rename from skywalking/plugins/sw_http_server/__init__.py
rename to skywalking/plugins/sw_http_server.py
diff --git a/skywalking/plugins/sw_kafka/__init__.py b/skywalking/plugins/sw_kafka.py
similarity index 100%
rename from skywalking/plugins/sw_kafka/__init__.py
rename to skywalking/plugins/sw_kafka.py
diff --git a/skywalking/plugins/sw_pymysql/__init__.py b/skywalking/plugins/sw_pymysql.py
similarity index 100%
rename from skywalking/plugins/sw_pymysql/__init__.py
rename to skywalking/plugins/sw_pymysql.py
diff --git a/skywalking/plugins/sw_rabbitmq/__init__.py b/skywalking/plugins/sw_rabbitmq.py
similarity index 100%
rename from skywalking/plugins/sw_rabbitmq/__init__.py
rename to skywalking/plugins/sw_rabbitmq.py
diff --git a/skywalking/plugins/sw_redis/__init__.py b/skywalking/plugins/sw_redis.py
similarity index 100%
rename from skywalking/plugins/sw_redis/__init__.py
rename to skywalking/plugins/sw_redis.py
diff --git a/skywalking/plugins/sw_requests/__init__.py b/skywalking/plugins/sw_requests.py
similarity index 100%
rename from skywalking/plugins/sw_requests/__init__.py
rename to skywalking/plugins/sw_requests.py
diff --git a/skywalking/plugins/sw_tornado/__init__.py b/skywalking/plugins/sw_tornado.py
similarity index 100%
rename from skywalking/plugins/sw_tornado/__init__.py
rename to skywalking/plugins/sw_tornado.py
diff --git a/skywalking/plugins/sw_urllib_request/__init__.py b/skywalking/plugins/sw_urllib_request.py
similarity index 100%
rename from skywalking/plugins/sw_urllib_request/__init__.py
rename to skywalking/plugins/sw_urllib_request.py
diff --git a/skywalking/trace/carrier/__init__.py b/skywalking/trace/carrier.py
similarity index 100%
rename from skywalking/trace/carrier/__init__.py
rename to skywalking/trace/carrier.py
diff --git a/skywalking/trace/context/__init__.py b/skywalking/trace/context.py
similarity index 100%
rename from skywalking/trace/context/__init__.py
rename to skywalking/trace/context.py
diff --git a/skywalking/trace/segment/__init__.py b/skywalking/trace/segment.py
similarity index 100%
rename from skywalking/trace/segment/__init__.py
rename to skywalking/trace/segment.py
diff --git a/skywalking/trace/span/__init__.py b/skywalking/trace/span.py
similarity index 100%
rename from skywalking/trace/span/__init__.py
rename to skywalking/trace/span.py
diff --git a/skywalking/trace/tags/__init__.py b/skywalking/trace/tags.py
similarity index 100%
rename from skywalking/trace/tags/__init__.py
rename to skywalking/trace/tags.py