diff --git a/build.gradle b/build.gradle
index e29b53c7c..5d3b7544e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,6 +17,9 @@ allprojects {
 		signingRequired = isReleaseVersion
 		sonatypeSnapshotUrl = 'https://oss.sonatype.org/content/repositories/snapshots'
 		sonatypeStagingUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2'
+		// Returns only the date in yyyy-MM-dd format, as otherwise, with
+		// hh:mm:ss information, the manifest files would change with every
+		// build, causing unnecessary rebuilds.
 		buildDate = (new java.text.SimpleDateFormat("yyyy-MM-dd")).format(new Date())
 		oneLineDesc = 'An Open Source XMPP (Jabber) client library'
 		jxmppVersion = "0.2.0"
@@ -37,7 +40,7 @@ allprojects {
 				   // For example 4.0.0-rc1 becomes 4.0.0.rc1, but
 				   // 4.0.0-SNAPSHOT-2014-05-01 becomes 4.0.0.SNAPSHOT-2014-05-01
 				   'Bundle-Version': version.replaceFirst("-", "."),
-				   'Built-Date': getDatestamp(),
+				   'Built-Date': ext.buildDate,
 				   'Built-JDK': System.getProperty('java.version'),
 				   'Built-Gradle': gradle.gradleVersion,
 				   'Built-By': System.getProperty('user.name')
@@ -249,12 +252,4 @@ def getGitCommit() {
 	def gitCommit = proc.text.trim()
 	assert !gitCommit.isEmpty()
 	gitCommit
-}
-
-// Returns only the date in yyyy-MM-dd format, as otherwise, with
-// hh:mm:ss information, the manifest files would change with every
-// build, causing unnecessary rebuilds.
-def getDatestamp() {
-	def date = new Date()
-	return date.format('yyyy-MM-dd')
-}
+}
\ No newline at end of file