diff --git a/test/ConfigurationTest.hs b/test/ConfigurationTest.hs
index 0b1fd71..943d1ea 100644
--- a/test/ConfigurationTest.hs
+++ b/test/ConfigurationTest.hs
@@ -24,7 +24,6 @@ tests = sequence [prepareTestEnv >> e | e <- entries]
 prepareTestEnv :: IO ()
 prepareTestEnv = do
     setCurrentDirectory $ testFile "config_loading"
-    unsetEnv "DBM_DATABASE_TYPE"
     unsetEnv "DBM_DATABASE"
     unsetEnv "DBM_MIGRATION_STORE"
     unsetEnv "DBM_LINEAR_MIGRATIONS"
@@ -62,7 +61,6 @@ loadsDefaultConfigFile = do
 
 environmentOverridesProperties :: IO Test
 environmentOverridesProperties = do
-    setEnv "DBM_DATABASE_TYPE" "envdb"
     setEnv "DBM_DATABASE" "envconn"
     setEnv "DBM_MIGRATION_STORE" "envstore"
     setEnv "DBM_LINEAR_MIGRATIONS" "off"
@@ -77,7 +75,6 @@ environmentOverridesProperties = do
 ifNoConfigFileIsAvailableEnvironmentIsUsed :: IO Test
 ifNoConfigFileIsAvailableEnvironmentIsUsed = do
     setCurrentDirectory $ testFile ""
-    setEnv "DBM_DATABASE_TYPE" "envdb"
     setEnv "DBM_DATABASE" "envconn"
     setEnv "DBM_MIGRATION_STORE" "envstore"
     setEnv "DBM_LINEAR_MIGRATIONS" "off"
diff --git a/test/config_loading/cfg1.cfg b/test/config_loading/cfg1.cfg
index aaa77e9..4804398 100644
--- a/test/config_loading/cfg1.cfg
+++ b/test/config_loading/cfg1.cfg
@@ -1,4 +1,3 @@
-DBM_DATABASE_TYPE = "dbtype"
 DBM_DATABASE = "connection"
 DBM_MIGRATION_STORE = "store"
 DBM_LINEAR_MIGRATIONS = on
diff --git a/test/config_loading/cfg_ts.cfg b/test/config_loading/cfg_ts.cfg
index 2eadd89..8ca8844 100644
--- a/test/config_loading/cfg_ts.cfg
+++ b/test/config_loading/cfg_ts.cfg
@@ -1,4 +1,3 @@
-DBM_DATABASE_TYPE = "dbtype"
 DBM_DATABASE = "connection"
 DBM_MIGRATION_STORE = "store"
 DBM_LINEAR_MIGRATIONS = on
diff --git a/test/config_loading/moo.cfg b/test/config_loading/moo.cfg
index 06a91d0..af94e74 100644
--- a/test/config_loading/moo.cfg
+++ b/test/config_loading/moo.cfg
@@ -1,4 +1,3 @@
-DBM_DATABASE_TYPE = "moodb"
 DBM_DATABASE = "mooconn"
 DBM_MIGRATION_STORE = "moostore"
 DBM_LINEAR_MIGRATIONS = on