diff --git a/.tc-environment b/.tc-environment
index 3f700f6d..ac6348e6 100644
--- a/.tc-environment
+++ b/.tc-environment
@@ -1,5 +1,4 @@
-export HSADMINNG_POSTGRES_JDBC_URL=jdbc:tc:postgresql:15.5-bookworm:///spring_boot_testcontainers
-unset HSADMINNG_POSTGRES_JDBC_URL
+unset HSADMINNG_POSTGRES_JDBC_URL # dynamically set, different for normal tests and imports
 export HSADMINNG_POSTGRES_ADMIN_USERNAME=admin
 export HSADMINNG_POSTGRES_ADMIN_PASSWORD=
 export HSADMINNG_POSTGRES_RESTRICTED_USERNAME=restricted