diff --git a/assembly/pom.xml b/assembly/pom.xml
index 1b25b7c6afb0bebe8fe259fb1341502ec27cc3c5..971a62f87a218343ebc45ab90459907fac8710ad 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-assembly_2.11</artifactId>
<name>Spark Project Assembly</name>
<url>http://spark.apache.org/</url>
diff --git a/common/network-common/pom.xml b/common/network-common/pom.xml
index b1a37e847216fdba16233a839fe05b802ff06323..81f0c6e2265aed5da4e8d896df3ddb1625a23b73 100644
--- a/common/network-common/pom.xml
+++ b/common/network-common/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-network-common_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Networking</name>
diff --git a/common/network-shuffle/pom.xml b/common/network-shuffle/pom.xml
index 51c06b9e5a0763ee64b6dad6febb1c87376df5e8..d211bd5bd194b750477ea0bf82618774d0a1761c 100644
--- a/common/network-shuffle/pom.xml
+++ b/common/network-shuffle/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-network-shuffle_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Shuffle Streaming Service</name>
diff --git a/common/network-yarn/pom.xml b/common/network-yarn/pom.xml
index d43eb71aa5f6ac9530bfb1c4fe303e3850d7f7a4..606ad15739617c8f74c4651799db520230c6d713 100644
--- a/common/network-yarn/pom.xml
+++ b/common/network-yarn/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-network-yarn_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project YARN Shuffle Service</name>
diff --git a/common/sketch/pom.xml b/common/sketch/pom.xml
index 6f2fdd538f489f3f81028f816caf62d650841495..626f023a5b99cdb7cf39e474a4fbf0b2d3fdaf67 100644
--- a/common/sketch/pom.xml
+++ b/common/sketch/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-sketch_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Sketch</name>
diff --git a/common/tags/pom.xml b/common/tags/pom.xml
index 842a1c80e0b8009bff1e8975a81d4552d39d1f40..1c60d510e5703029c7ded4775d451b43e79be2f3 100644
--- a/common/tags/pom.xml
+++ b/common/tags/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-tags_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Tags</name>
diff --git a/common/unsafe/pom.xml b/common/unsafe/pom.xml
index 08af461f19640002a71a330c719a7f5a61c0e4d8..45af98d94ef9108b01f437d09996accbcf214f5c 100644
--- a/common/unsafe/pom.xml
+++ b/common/unsafe/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-unsafe_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Unsafe</name>
diff --git a/core/pom.xml b/core/pom.xml
index 1b880d883d15d76c85e52707df34789704c7fc4b..04b94a258c71c088e8221b68b1d7105f5370cd52 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.11</artifactId>
<properties>
<sbt.project.name>core</sbt.project.name>
diff --git a/examples/pom.xml b/examples/pom.xml
index 6b9b94454ba049b551366305ef8592b19f2cdd9e..90bbd3fbb94046956ce883007fb71b87c1740aab 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-examples_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Examples</name>
diff --git a/external/flume-assembly/pom.xml b/external/flume-assembly/pom.xml
index 9e0636e63b5d25d3eb2d91d02e5093dde13b51a7..fb0292a5f11e08fe2124dc11b2c3969d0429fe8b 100644
--- a/external/flume-assembly/pom.xml
+++ b/external/flume-assembly/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-flume-assembly_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project External Flume Assembly</name>
diff --git a/external/flume-sink/pom.xml b/external/flume-sink/pom.xml
index 6b788d7da3882bf3648ea0f489e7b2153d3690a8..5e9275c8e66d99d32d84d91e0a67389d7189be44 100644
--- a/external/flume-sink/pom.xml
+++ b/external/flume-sink/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-flume-sink_2.11</artifactId>
<properties>
<sbt.project.name>streaming-flume-sink</sbt.project.name>
diff --git a/external/flume/pom.xml b/external/flume/pom.xml
index 1b1105d763a0326ad209646781bd9f2dc24faa12..7b68ca7373fe692bbee1b4ce5a5111e9b79d78ea 100644
--- a/external/flume/pom.xml
+++ b/external/flume/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-flume_2.11</artifactId>
<properties>
<sbt.project.name>streaming-flume</sbt.project.name>
diff --git a/external/java8-tests/pom.xml b/external/java8-tests/pom.xml
index a0923932908ee557d12519a6366bc7619412c472..1bc206e8675f1ac8b89f6cb9c6acaae38cc8516f 100644
--- a/external/java8-tests/pom.xml
+++ b/external/java8-tests/pom.xml
@@ -24,7 +24,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>java8-tests_2.11</artifactId>
<packaging>pom</packaging>
<name>Spark Project Java 8 Tests</name>
diff --git a/external/kafka-0-10-assembly/pom.xml b/external/kafka-0-10-assembly/pom.xml
index 6c1a120c5e0f26e0a1dcda90babf1e5ea52a5d67..4f5045326a0098a097d8bf146899d049ca5e6380 100644
--- a/external/kafka-0-10-assembly/pom.xml
+++ b/external/kafka-0-10-assembly/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka-0-10-assembly_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Integration for Kafka 0.10 Assembly</name>
diff --git a/external/kafka-0-10/pom.xml b/external/kafka-0-10/pom.xml
index b38de96cd56bfe274cbfb31aa885261ba8481e46..60afaa582b61268763835ab0f34daef59704c5ee 100644
--- a/external/kafka-0-10/pom.xml
+++ b/external/kafka-0-10/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka-0-10_2.11</artifactId>
<properties>
<sbt.project.name>streaming-kafka-0-10</sbt.project.name>
diff --git a/external/kafka-0-8-assembly/pom.xml b/external/kafka-0-8-assembly/pom.xml
index 4839ed4f427b49f6312c08325311f4df3559ae7c..bc02b8a66246aa53d34ee223f870f72ce5e5f67c 100644
--- a/external/kafka-0-8-assembly/pom.xml
+++ b/external/kafka-0-8-assembly/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka-0-8-assembly_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project External Kafka Assembly</name>
diff --git a/external/kafka-0-8/pom.xml b/external/kafka-0-8/pom.xml
index 948b9f500a1736a4bba400c2549adfadcb3e4566..91ccd4a927e98d3efc7b22063c5c456c15bee7e7 100644
--- a/external/kafka-0-8/pom.xml
+++ b/external/kafka-0-8/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka-0-8_2.11</artifactId>
<properties>
<sbt.project.name>streaming-kafka-0-8</sbt.project.name>
diff --git a/external/kinesis-asl-assembly/pom.xml b/external/kinesis-asl-assembly/pom.xml
index 09ca2c3aac0da48716835df6c11e7c6b20ea8a90..df528b3598024f217281e449e59caf91bffab98d 100644
--- a/external/kinesis-asl-assembly/pom.xml
+++ b/external/kinesis-asl-assembly/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kinesis-asl-assembly_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Kinesis Assembly</name>
diff --git a/external/kinesis-asl/pom.xml b/external/kinesis-asl/pom.xml
index 3bb80343f028aa2a09227f8ffc8b8b7219bb6695..57809ff692c28f26642f87e26dbf9d2116360450 100644
--- a/external/kinesis-asl/pom.xml
+++ b/external/kinesis-asl/pom.xml
@@ -25,7 +25,6 @@
</parent>
<!-- Kinesis integration is not included by default due to ASL-licensed code. -->
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kinesis-asl_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Kinesis Integration</name>
diff --git a/external/spark-ganglia-lgpl/pom.xml b/external/spark-ganglia-lgpl/pom.xml
index 34cbd9a62073405b2721b25763ae905949f68cda..fab409d3e9f961411a090ad75ea8991d34221006 100644
--- a/external/spark-ganglia-lgpl/pom.xml
+++ b/external/spark-ganglia-lgpl/pom.xml
@@ -25,7 +25,6 @@
</parent>
<!-- Ganglia integration is not included by default due to LGPL-licensed code -->
- <groupId>org.apache.spark</groupId>
<artifactId>spark-ganglia-lgpl_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Ganglia Integration</name>
diff --git a/graphx/pom.xml b/graphx/pom.xml
index c04580cb4696b8d994c4317ea83c1238d0cbc499..bd4e53371b86d2eea7c284538b1de0ebecd8064f 100644
--- a/graphx/pom.xml
+++ b/graphx/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-graphx_2.11</artifactId>
<properties>
<sbt.project.name>graphx</sbt.project.name>
diff --git a/launcher/pom.xml b/launcher/pom.xml
index 3db649bd32518b39470ffbf988d2d3c4a3e23838..6023cf0771862262395acd46142ded492f4d81bf 100644
--- a/launcher/pom.xml
+++ b/launcher/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-launcher_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Launcher</name>
diff --git a/mllib-local/pom.xml b/mllib-local/pom.xml
index 3816a15b142d95f60880082370f3510fdff33de1..8c985fd13ac065a8e4325effa85bee8da3843b83 100644
--- a/mllib-local/pom.xml
+++ b/mllib-local/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-mllib-local_2.11</artifactId>
<properties>
<sbt.project.name>mllib-local</sbt.project.name>
diff --git a/mllib/pom.xml b/mllib/pom.xml
index c7a9036695ad66ef77f6a9ff0ce0e88f6fa8ec49..4484998a49c8f9106158ab9538bb98af08a43814 100644
--- a/mllib/pom.xml
+++ b/mllib/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-mllib_2.11</artifactId>
<properties>
<sbt.project.name>mllib</sbt.project.name>
diff --git a/repl/pom.xml b/repl/pom.xml
index 5a288b064dee9ac3bd3d0106daa3d9c1f88c661f..4e623a6ac1f1bfc3bb159bcc14dfec0b8c76ddf4 100644
--- a/repl/pom.xml
+++ b/repl/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-repl_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project REPL</name>
diff --git a/sql/catalyst/pom.xml b/sql/catalyst/pom.xml
index 34ea0a77f14773637c9a7748abddd81e7f45f915..82b49ebb21a44e2b4a89bc3978156cde5e751c40 100644
--- a/sql/catalyst/pom.xml
+++ b/sql/catalyst/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-catalyst_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Catalyst</name>
diff --git a/sql/core/pom.xml b/sql/core/pom.xml
index 627558dd32c3514b957c16cf808426a773b1927a..b2752638bebd590e6423e158f6bd5caa204cc352 100644
--- a/sql/core/pom.xml
+++ b/sql/core/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-sql_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project SQL</name>
diff --git a/sql/hive-thriftserver/pom.xml b/sql/hive-thriftserver/pom.xml
index 9ee8d6a36c42789fd63f1b8ca355db4b460ba5b3..819897cd46858da5f1f9e1b6155b2a59a1d599f8 100644
--- a/sql/hive-thriftserver/pom.xml
+++ b/sql/hive-thriftserver/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-hive-thriftserver_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Hive Thrift Server</name>
diff --git a/sql/hive/pom.xml b/sql/hive/pom.xml
index d9d8b2e55960dcd3ab91c200a72b7bc92faf25dd..2be99cb1046f4f2e65d30b02b39ec3459c8218a6 100644
--- a/sql/hive/pom.xml
+++ b/sql/hive/pom.xml
@@ -26,7 +26,6 @@
<relativePath>../../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-hive_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project Hive</name>
diff --git a/streaming/pom.xml b/streaming/pom.xml
index 31a5fe6ab5e1030574ea37ae5839967b6b3d7ee2..07a0dab0ee04799a4da0b5958661573e4d1974eb 100644
--- a/streaming/pom.xml
+++ b/streaming/pom.xml
@@ -25,7 +25,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-streaming_2.11</artifactId>
<properties>
<sbt.project.name>streaming</sbt.project.name>
diff --git a/tools/pom.xml b/tools/pom.xml
index 86a3ba8086d9adb7fddd5e0e3178cc41073336dc..b9be8db684a90f6eb5969168444878158de6900a 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -24,7 +24,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-tools_2.11</artifactId>
<properties>
<sbt.project.name>tools</sbt.project.name>
diff --git a/yarn/pom.xml b/yarn/pom.xml
index f4a85cd2f3d314f3a5c1a2f3de0c5213d03261fb..64ff845b5ae9a480e2bedfa91b6402753d2cdfb3 100644
--- a/yarn/pom.xml
+++ b/yarn/pom.xml
@@ -24,7 +24,6 @@
<relativePath>../pom.xml</relativePath>
</parent>
- <groupId>org.apache.spark</groupId>
<artifactId>spark-yarn_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project YARN</name>