diff --git a/closed/autoconf/custom-spec.gmk.in b/closed/autoconf/custom-spec.gmk.in
index 2ea6623745..08dfd95def 100644
--- a/closed/autoconf/custom-spec.gmk.in
+++ b/closed/autoconf/custom-spec.gmk.in
@@ -68,7 +68,7 @@ COMPILER_VERSION_STRING := @COMPILER_VERSION_STRING@
 
 include $(TOPDIR)/closed/openjdk-tag.gmk
 
-J9JDK_EXT_VERSION       := $(VERSION_NUMBER_FOUR_POSITIONS)-ea
+J9JDK_EXT_VERSION       := $(VERSION_NUMBER_FOUR_POSITIONS)
 J9JDK_EXT_NAME          := Extensions for OpenJDK for Eclipse OpenJ9
 
 # required by CMake
diff --git a/get_source.sh b/get_source.sh
index e8271466a4..5d09cba808 100644
--- a/get_source.sh
+++ b/get_source.sh
@@ -71,15 +71,8 @@ add_source() {
 #
 configure_defaults() {
 	local current_branch="$(git rev-parse --abbrev-ref HEAD)"
-	local openj9_branch=master
-	local omr_branch=openj9
-
-	# If this repository is on a release branch, use the same branch names
-	# for OpenJ9 and OMR.
-	if [[ "$current_branch" =~ (ibm-)?(v[0-9]+\.[0-9]+(\.[0-9]+)?-release) ]] ; then
-		openj9_branch="${BASH_REMATCH[2]}"
-		omr_branch="${BASH_REMATCH[2]}"
-	fi
+	local openj9_branch=v0.48.0-release
+	local omr_branch=v0.48.0-release
 
 	#          folder       URL                                               branch          options
 	#          ------       ---                                               ------          -------