diff --git a/python/run-tests-with-coverage b/python/run-tests-with-coverage
index d1c2dacbf9d8..aa23e16e8e43 100755
--- a/python/run-tests-with-coverage
+++ b/python/run-tests-with-coverage
@@ -44,9 +44,6 @@ export PYTHONPATH="$FWDIR:$PYTHONPATH"
 # Also, our sitecustomize.py and coverage_daemon.py are included in the path.
 export PYTHONPATH="$COVERAGE_DIR:$PYTHONPATH"
 
-# We use 'spark.python.daemon.module' configuration to insert the coverage supported workers.
-export SPARK_CONF_DIR="$COVERAGE_DIR/conf"
-
 # This environment variable enables the coverage.
 export COVERAGE_PROCESS_START="$FWDIR/.coveragerc"
 
diff --git a/python/test_coverage/conf/spark-defaults.conf b/python/test_coverage/conf/spark-defaults.conf
deleted file mode 100644
index bf44ea6e7cfe..000000000000
--- a/python/test_coverage/conf/spark-defaults.conf
+++ /dev/null
@@ -1,21 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# This is used to generate PySpark coverage results. Seems there's no way to
-# add a configuration when SPARK_TESTING environment variable is set because
-# we will directly execute modules by python -m.
-spark.python.daemon.module coverage_daemon
diff --git a/python/test_coverage/coverage_daemon.py b/python/test_coverage/coverage_daemon.py
deleted file mode 100644
index 4372135d6fc3..000000000000
--- a/python/test_coverage/coverage_daemon.py
+++ /dev/null
@@ -1,48 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-import os
-import imp
-import platform
-
-
-# This is a hack to always refer the main code rather than built zip.
-main_code_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-daemon = imp.load_source("daemon", "%s/pyspark/daemon.py" % main_code_dir)
-
-if "COVERAGE_PROCESS_START" in os.environ:
-    # PyPy with coverage makes the tests flaky, and CPython is enough for coverage report.
-    if "pypy" not in platform.python_implementation().lower():
-        worker = imp.load_source("worker", "%s/pyspark/worker.py" % main_code_dir)
-
-        def _cov_wrapped(*args, **kwargs):
-            import coverage
-            cov = coverage.coverage(
-                config_file=os.environ["COVERAGE_PROCESS_START"])
-            cov.start()
-            try:
-                worker.main(*args, **kwargs)
-            finally:
-                cov.stop()
-                cov.save()
-        daemon.worker_main = _cov_wrapped
-else:
-    raise RuntimeError("COVERAGE_PROCESS_START environment variable is not set, exiting.")
-
-
-if __name__ == '__main__':
-    daemon.manager()