diff --git a/aws/aws-how-to/aws-marketplace-identifiers.csv b/aws/aws-how-to/aws-marketplace-identifiers.csv
index 63b90513..f4c307af 100644
--- a/aws/aws-how-to/aws-marketplace-identifiers.csv
+++ b/aws/aws-how-to/aws-marketplace-identifiers.csv
@@ -1,10 +1,4 @@
 Name,Architecture,Identifier,GovCloud
-Ubuntu 16.04 LTS,amd64,``prod-aq7wy7l65auna``,✓
-Ubuntu 16.04 LTS,arm64,``prod-zjzktzfox3gz6``,✓
-Ubuntu 18.04 LTS,amd64,``prod-43pfd7pfsijnm``,✓
-Ubuntu 18.04 LTS,arm64,``prod-nanaj5afkj4gq``,✓
-Minimal Ubuntu 18.04 LTS,amd64,``prod-gv4aco7axss42``,✓
-Minimal Ubuntu 18.04 LTS,arm64,``prod-jfs2osz6fmem4``,✓
 Ubuntu 20.04 LTS,amd64,``prod-x7h6cigkuiul6``,✓
 Ubuntu 20.04 LTS,arm64,``prod-gprrntd234sfc``,✓
 Minimal Ubuntu 20.04 LTS,amd64,``prod-df2jln3gjtwps``,✓