diff --git a/keycloak/user.go b/keycloak/user.go
index 434bd5c2f..8318d2af6 100644
--- a/keycloak/user.go
+++ b/keycloak/user.go
@@ -140,7 +140,7 @@ func (keycloakClient *KeycloakClient) GetUserByUsername(ctx context.Context, rea
 	var users []*User
 
 	params := map[string]string{
-		"username": escapeBackslashes(username),
+		"username": username,
 	}
 
 	err := keycloakClient.get(ctx, fmt.Sprintf("/realms/%s/users", realmId), &users, params)
diff --git a/keycloak/util.go b/keycloak/util.go
index c9c9e4b9e..0090c155f 100644
--- a/keycloak/util.go
+++ b/keycloak/util.go
@@ -49,7 +49,3 @@ func atoiAndTreatEmptyStringAsZero(s string) (int, error) {
 
 	return strconv.Atoi(s)
 }
-
-func escapeBackslashes(s string) string {
-	return strings.ReplaceAll(s, "\\", "\\\\")
-}
diff --git a/provider/resource_keycloak_group_memberships_test.go b/provider/resource_keycloak_group_memberships_test.go
index bea358eb8..7315ec4e5 100644
--- a/provider/resource_keycloak_group_memberships_test.go
+++ b/provider/resource_keycloak_group_memberships_test.go
@@ -2,13 +2,14 @@ package provider
 
 import (
 	"fmt"
+	"regexp"
+	"strings"
+	"testing"
+
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
 	"github.com/mrparkers/terraform-provider-keycloak/keycloak"
-	"regexp"
-	"strings"
-	"testing"
 )
 
 func TestAccKeycloakGroupMemberships_basic(t *testing.T) {
@@ -35,24 +36,6 @@ func TestAccKeycloakGroupMemberships_basic(t *testing.T) {
 	})
 }
 
-func TestAccKeycloakGroupMemberships_basicUserWithBackslash(t *testing.T) {
-	t.Parallel()
-
-	groupName := acctest.RandomWithPrefix("tf-acc")
-	username := acctest.RandString(5) + `\\` + acctest.RandString(5)
-
-	resource.Test(t, resource.TestCase{
-		ProviderFactories: testAccProviderFactories,
-		PreCheck:          func() { testAccPreCheck(t) },
-		Steps: []resource.TestStep{
-			{
-				Config: testKeycloakGroupMemberships_basic(groupName, username),
-				Check:  testAccCheckUserBelongsToGroup("keycloak_group_memberships.group_members", strings.ReplaceAll(username, `\\`, `\`)),
-			},
-		},
-	})
-}
-
 func TestAccKeycloakGroupMemberships_moreThan100members(t *testing.T) {
 	t.Parallel()