diff --git a/src/Bicep.Core/Syntax/VariableDeclarationSyntax.cs b/src/Bicep.Core/Syntax/VariableDeclarationSyntax.cs
index 75446821ef1..d9d5418041d 100644
--- a/src/Bicep.Core/Syntax/VariableDeclarationSyntax.cs
+++ b/src/Bicep.Core/Syntax/VariableDeclarationSyntax.cs
@@ -31,7 +31,7 @@ public VariableDeclarationSyntax(IEnumerable<SyntaxBase> leadingNodes, Token key
 
         public SyntaxBase? TryGetBody() => UnwrapBody(Value);
 
-        public SyntaxBase? UnwrapBody(SyntaxBase body) => body switch
+        private static SyntaxBase? UnwrapBody(SyntaxBase body) => body switch
         {
             SkippedTriviaSyntax => null,
             ForSyntax @for => @for.Body,