diff --git a/core/config.go b/core/config.go
index e30ad6c2..31eb3c28 100644
--- a/core/config.go
+++ b/core/config.go
@@ -8,7 +8,7 @@ import (
 
 // Configuration Keys.
 var (
-	// CfgDevModeKey is originally defined in portbase/config.
+	// CfgDevModeKey was previously defined here.
 	CfgDevModeKey = config.CfgDevModeKey
 
 	CfgNetworkServiceKey      = "core/networkService"
diff --git a/core/core.go b/core/core.go
index 105f954c..1ed8e73e 100644
--- a/core/core.go
+++ b/core/core.go
@@ -5,8 +5,6 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/safing/portbase/config"
-
 	"github.com/safing/portbase/modules"
 	"github.com/safing/portbase/modules/subsystems"
 	"github.com/tevino/abool"
@@ -26,9 +24,7 @@ const (
 var (
 	module *modules.Module
 
-	restarting = abool.New()
-	devMode    = config.Concurrent.GetAsBool(config.CfgDevModeKey, false)
-
+	restarting           = abool.New()
 	disableShutdownEvent bool
 )