diff --git a/lib/rbs/locator.rb b/lib/rbs/locator.rb
index d3a4ce6985..88363e4709 100644
--- a/lib/rbs/locator.rb
+++ b/lib/rbs/locator.rb
@@ -238,7 +238,7 @@ def find_in_loc(pos, location:, array:)
 
     def test_loc(pos, location:)
       if location
-        location.range === pos
+        location.start_pos <= pos && pos <= location.end_pos
       else
         false
       end
diff --git a/sig/locator.rbs b/sig/locator.rbs
index f81df9d34b..a16543bc05 100644
--- a/sig/locator.rbs
+++ b/sig/locator.rbs
@@ -37,8 +37,6 @@ module RBS
     #
     def find2: (line: Integer, column: Integer) -> [Symbol?, Array[component]]?
 
-    private
-
     def find_in_directive: (Integer pos, AST::Directives::t, Array[component]) -> bool
 
     def find_in_decl: (Integer pos, decl: AST::Declarations::t, array: Array[component]) -> bool