diff --git a/setup/so-functions b/setup/so-functions
index a046b49ca..0005e90b4 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -909,9 +909,7 @@ detect_os() {
 
 	elif [ -f /etc/os-release ]; then
 		OS=ubuntu
-		if grep -q "UBUNTU_CODENAME=bionic" /etc/os-release; then
-			OSVER=bionic
-		elif grep -q "UBUNTU_CODENAME=focal" /etc/os-release; then
+		if grep -q "UBUNTU_CODENAME=focal" /etc/os-release; then
 			OSVER=focal
 		else
 			info "We do not support your current version of Ubuntu."