diff --git a/regressions/src/main/java/net/kemitix/checkstyle/regressions/MoveVariableInsideIf.java b/regressions/src/main/java/net/kemitix/checkstyle/regressions/MoveVariableInsideIf.java
index 33dc9bd..bea9d91 100644
--- a/regressions/src/main/java/net/kemitix/checkstyle/regressions/MoveVariableInsideIf.java
+++ b/regressions/src/main/java/net/kemitix/checkstyle/regressions/MoveVariableInsideIf.java
@@ -55,7 +55,7 @@ class MoveVariableInsideIf {
      *
      * @return value
      */
-    String valid() {
+    private String valid() {
         if (condition) {
             String variable = input.substring(1);
             return method(variable);