diff --git a/ci_geosphere/values-postgis.yaml b/ci_geosphere/values-postgis.yaml
index c0bf59f6ab3c466533d2327fddeede387cd8ef3b..9a5387182814b380fa3960f5837d8912e6754cfb 100644
--- a/ci_geosphere/values-postgis.yaml
+++ b/ci_geosphere/values-postgis.yaml
@@ -1,6 +1,6 @@
 postgresqlDatabase: "postgres"
-postgresqlConfiguration:
-  sharedBuffers: "512MB"
+#postgresqlConfiguration:
+#  sharedBuffers: "512MB"
 persistence:
   enabled: true
   existingClaim: "geosphere-postgis"