diff --git a/include/nlohmann/detail/input/lexer.hpp b/include/nlohmann/detail/input/lexer.hpp
index 926175ca7..b5540e3d2 100644
--- a/include/nlohmann/detail/input/lexer.hpp
+++ b/include/nlohmann/detail/input/lexer.hpp
@@ -1459,8 +1459,7 @@ scan_number_done:
             case '9':
                 return scan_number();
 
-            // end of input (the null byte is needed when parsing from
-            // string literals)
+            // end of input
             case std::char_traits<char>::eof():
                 return token_type::end_of_input;
 
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 24b35e60d..3f15880e1 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -4041,8 +4041,7 @@ scan_number_done:
             case '9':
                 return scan_number();
 
-            // end of input (the null byte is needed when parsing from
-            // string literals)
+            // end of input
             case std::char_traits<char>::eof():
                 return token_type::end_of_input;