diff --git a/README.md b/README.md
index bcf1e244..49e52ee5 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 
 Prometheus exporter for PostgreSQL server metrics.
 
-CI Tested PostgreSQL versions: `9.1`, `9.2`, `9.3`, `9.4`, `9.5`, `9.6`, `10`, `11`
+CI Tested PostgreSQL versions: `9.4`, `9.5`, `9.6`, `10`, `11`
 
 ## Quick Start
 This package is available for Docker:
diff --git a/cmd/postgres_exporter/tests/test-smoke b/cmd/postgres_exporter/tests/test-smoke
index 1436b755..eef65c3b 100755
--- a/cmd/postgres_exporter/tests/test-smoke
+++ b/cmd/postgres_exporter/tests/test-smoke
@@ -26,9 +26,6 @@ echo "Test Binary: $test_binary" 1>&2
 cd "$DIR" || exit 1
 
 VERSIONS=( \
-    9.1 \
-    9.2 \
-    9.3 \
     9.4 \
     9.5 \
     9.6 \