diff --git a/lib/src/parser.c b/lib/src/parser.c
index 0aa02e2c..fa15477a 100644
--- a/lib/src/parser.c
+++ b/lib/src/parser.c
@@ -25,7 +25,7 @@
     ts_parser__log(self);                                                                   \
   }
 
-#define LOG_LOOKAHEAD(symbol_name, size, ...)                \
+#define LOG_LOOKAHEAD(symbol_name, size)                     \
   if (self->lexer.logger.log || self->dot_graph_file) {      \
     char *buf = self->lexer.debug_buffer;                    \
     const char *symbol = symbol_name;                        \
@@ -45,18 +45,12 @@
       default:   buf[off++] = symbol[i]; break;              \
       }                                                      \
     }                                                        \
-    off += snprintf(                                         \
+    snprintf(                                                \
       buf + off,                                             \
       TREE_SITTER_SERIALIZATION_BUFFER_SIZE - off,           \
       ", size:%u",                                           \
       size                                                   \
     );                                                       \
-    if (sizeof( (char[]){#__VA_ARGS__} ) == 1)               \
-    snprintf(                                                \
-      buf + off,                                             \
-      TREE_SITTER_SERIALIZATION_BUFFER_SIZE - off,           \
-      ", " __VA_ARGS__                                       \
-    );                                                       \
     ts_parser__log(self);                                    \
   }
 
@@ -514,9 +508,7 @@ static Subtree ts_parser__lex(
 
     LOG_LOOKAHEAD(
       SYM_NAME(ts_subtree_symbol(result)),
-      ts_subtree_total_size(result).bytes,
-      "character:'%c'",
-      first_error_character
+      ts_subtree_total_size(result).bytes
     );
   } else {
     if (self->lexer.token_end_position.bytes < self->lexer.token_start_position.bytes) {