diff --git a/lib/build/build.go b/lib/build/build.go
index 5c8d7c336..69a509b21 100644
--- a/lib/build/build.go
+++ b/lib/build/build.go
@@ -43,7 +43,6 @@ var (
 		"STHASHING",
 		"STNORESTART",
 		"STNOUPGRADE",
-		"USE_BADGER",
 	}
 )
 
diff --git a/lib/db/backend/backend.go b/lib/db/backend/backend.go
index 2cdeaf498..4a29a79cc 100644
--- a/lib/db/backend/backend.go
+++ b/lib/db/backend/backend.go
@@ -131,24 +131,14 @@ const (
 )
 
 func Open(path string, tuning Tuning) (Backend, error) {
-	if os.Getenv("USE_BADGER") != "" {
-		l.Warnln("Using experimental badger db")
-		if err := maybeCopyDatabase(path, strings.Replace(path, locations.BadgerDir, locations.LevelDBDir, 1), OpenBadger, OpenLevelDBRO); err != nil {
-			return nil, err
-		}
-		return OpenBadger(path)
-	}
-
 	if err := maybeCopyDatabase(path, strings.Replace(path, locations.LevelDBDir, locations.BadgerDir, 1), OpenLevelDBAuto, OpenBadger); err != nil {
 		return nil, err
 	}
+
 	return OpenLevelDB(path, tuning)
 }
 
 func OpenMemory() Backend {
-	if os.Getenv("USE_BADGER") != "" {
-		return OpenBadgerMemory()
-	}
 	return OpenLevelDBMemory()
 }
 
diff --git a/lib/db/db_test.go b/lib/db/db_test.go
index 2c32d422b..07c2ae7bc 100644
--- a/lib/db/db_test.go
+++ b/lib/db/db_test.go
@@ -10,7 +10,6 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"os"
 	"testing"
 
 	"github.com/syncthing/syncthing/lib/db/backend"
@@ -801,11 +800,6 @@ func TestFlushRecursion(t *testing.T) {
 	// Verify that a commit hook can write to the transaction without
 	// causing another flush and thus recursion.
 
-	// Badger doesn't work like this.
-	if os.Getenv("USE_BADGER") != "" {
-		t.Skip("Not supported on Badger")
-	}
-
 	db := NewLowlevel(backend.OpenMemory())
 	defer db.Close()
 
diff --git a/lib/locations/locations.go b/lib/locations/locations.go
index 702683f26..8e0e69ec8 100644
--- a/lib/locations/locations.go
+++ b/lib/locations/locations.go
@@ -53,11 +53,6 @@ const (
 var baseDirs = make(map[BaseDirEnum]string, 3)
 
 func init() {
-	if os.Getenv("USE_BADGER") != "" {
-		// XXX: Replace the leveldb name with the badger name.
-		locationTemplates[Database] = strings.Replace(locationTemplates[Database], LevelDBDir, BadgerDir, 1)
-	}
-
 	userHome := userHomeDir()
 	config := defaultConfigDir(userHome)
 	baseDirs[UserHomeBaseDir] = userHome