diff --git a/dnet-pace-core/pom.xml b/dnet-pace-core/pom.xml
index 4f8aa1d45..34138cc85 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/release.properties b/release.properties
deleted file mode 100644
index 907a9fcab..000000000
--- 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