diff --git a/maven-projects/info/pom.xml b/maven-projects/info/pom.xml
index 2bc9db5f2..ddb68bf7c 100644
--- a/maven-projects/info/pom.xml
+++ b/maven-projects/info/pom.xml
@@ -34,7 +34,6 @@
 
     <artifactId>graphar-info</artifactId>
     <packaging>jar</packaging>
-    <version>${graphar.version}</version>
 
     <name>graphar-info</name>
 
diff --git a/maven-projects/spark/datasources-32/pom.xml b/maven-projects/spark/datasources-32/pom.xml
index 9bde15e4d..79ebe6010 100644
--- a/maven-projects/spark/datasources-32/pom.xml
+++ b/maven-projects/spark/datasources-32/pom.xml
@@ -32,7 +32,6 @@
     </parent>
 
     <artifactId>graphar-datasources</artifactId>
-    <version>${graphar.version}</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/maven-projects/spark/datasources-33/pom.xml b/maven-projects/spark/datasources-33/pom.xml
index 9bde15e4d..79ebe6010 100644
--- a/maven-projects/spark/datasources-33/pom.xml
+++ b/maven-projects/spark/datasources-33/pom.xml
@@ -32,7 +32,6 @@
     </parent>
 
     <artifactId>graphar-datasources</artifactId>
-    <version>${graphar.version}</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/maven-projects/spark/datasources-34/pom.xml b/maven-projects/spark/datasources-34/pom.xml
index 9bde15e4d..79ebe6010 100644
--- a/maven-projects/spark/datasources-34/pom.xml
+++ b/maven-projects/spark/datasources-34/pom.xml
@@ -32,7 +32,6 @@
     </parent>
 
     <artifactId>graphar-datasources</artifactId>
-    <version>${graphar.version}</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/maven-projects/spark/datasources-35/pom.xml b/maven-projects/spark/datasources-35/pom.xml
index db65159af..2fc4ddd0b 100644
--- a/maven-projects/spark/datasources-35/pom.xml
+++ b/maven-projects/spark/datasources-35/pom.xml
@@ -32,7 +32,6 @@
     </parent>
 
     <artifactId>graphar-datasources</artifactId>
-    <version>${graphar.version}</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/maven-projects/spark/graphar/pom.xml b/maven-projects/spark/graphar/pom.xml
index 045b27fc1..8d0606e2a 100644
--- a/maven-projects/spark/graphar/pom.xml
+++ b/maven-projects/spark/graphar/pom.xml
@@ -32,7 +32,6 @@
     </parent>
 
     <artifactId>graphar-commons</artifactId>
-    <version>${graphar.version}</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/maven-projects/spark/pom.xml b/maven-projects/spark/pom.xml
index 216cfc646..712e7d9bf 100644
--- a/maven-projects/spark/pom.xml
+++ b/maven-projects/spark/pom.xml
@@ -33,7 +33,6 @@
 
     <artifactId>spark</artifactId>
     <packaging>pom</packaging>
-    <version>${graphar.version}</version>
 
     <properties>
         <scala.version>2.12.15</scala.version>