diff --git a/dnet-dedup-test/dependency-reduced-pom.xml b/dnet-dedup-test/dependency-reduced-pom.xml
index a424d01..07b9268 100644
--- a/dnet-dedup-test/dependency-reduced-pom.xml
+++ b/dnet-dedup-test/dependency-reduced-pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>dnet-dedup</artifactId>
     <groupId>eu.dnetlib</groupId>
-    <version>3.0.15</version>
+    <version>3.0.14-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>dnet-dedup-test</artifactId>
diff --git a/dnet-dedup-test/pom.xml b/dnet-dedup-test/pom.xml
index 9fb70b0..b2b0437 100644
--- a/dnet-dedup-test/pom.xml
+++ b/dnet-dedup-test/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib</groupId>
         <artifactId>dnet-dedup</artifactId>
-        <version>3.0.15</version>
+        <version>3.0.15-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/dnet-pace-core/pom.xml b/dnet-pace-core/pom.xml
index 4f8aa1d..34138cc 100644
--- a/dnet-pace-core/pom.xml
+++ b/dnet-pace-core/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>eu.dnetlib</groupId>
 		<artifactId>dnet-dedup</artifactId>
-		<version>3.0.15</version>
+		<version>3.0.15-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 9442f1f..4e9d3fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>eu.dnetlib</groupId>
     <artifactId>dnet-dedup</artifactId>
-    <version>3.0.15</version>
+    <version>3.0.15-SNAPSHOT</version>
 
     <packaging>pom</packaging>
 
@@ -22,7 +22,7 @@
 
     <scm>
         <developerConnection>scm:git:https://github.com/dnet-team/dnet-dedup.git</developerConnection>
-        <tag>dnet-dedup-3.0.15</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <modules>
diff --git a/release.properties b/release.properties
deleted file mode 100644
index 907a9fc..0000000
--- a/release.properties
+++ /dev/null
@@ -1,22 +0,0 @@
-#release configuration
-#Wed Oct 23 16:34:27 CEST 2019
-scm.commentPrefix=[maven-release-plugin] 
-pushChanges=true
-project.rel.eu.dnetlib\:dnet-dedup-test=3.0.15
-scm.tag=dnet-dedup-3.0.15
-remoteTagging=true
-project.scm.eu.dnetlib\:dnet-dedup-test.empty=true
-projectVersionPolicyId=default
-scm.url=scm\:git\:https\://github.com/dnet-team/dnet-dedup.git
-scm.tagNameFormat=@{project.artifactId}-@{project.version}
-project.rel.eu.dnetlib\:dnet-dedup=3.0.15
-project.dev.eu.dnetlib\:dnet-pace-core=3.0.16-SNAPSHOT
-preparationGoals=clean verify
-project.scm.eu.dnetlib\:dnet-dedup.tag=HEAD
-project.scm.eu.dnetlib\:dnet-dedup.developerConnection=scm\:git\:https\://github.com/dnet-team/dnet-dedup.git
-exec.snapshotReleasePluginAllowed=false
-project.dev.eu.dnetlib\:dnet-dedup=3.0.16-SNAPSHOT
-project.scm.eu.dnetlib\:dnet-pace-core.empty=true
-project.dev.eu.dnetlib\:dnet-dedup-test=3.0.16-SNAPSHOT
-completedPhase=run-preparation-goals
-project.rel.eu.dnetlib\:dnet-pace-core=3.0.15