diff --git a/lib/include/tree_sitter/api.h b/lib/include/tree_sitter/api.h
index 5ccf4610..d9560f24 100644
--- a/lib/include/tree_sitter/api.h
+++ b/lib/include/tree_sitter/api.h
@@ -32,10 +32,7 @@ extern "C" {
 /* Section - Types */
 /*******************/
 
-#ifndef TREE_SITTER_PARSER_H_
 typedef uint16_t TSStateId;
-#endif
-
 typedef uint16_t TSSymbol;
 typedef uint16_t TSFieldId;
 typedef struct TSLanguage TSLanguage;
diff --git a/lib/include/tree_sitter/parser.h b/lib/include/tree_sitter/parser.h
index c7ad1907..17b4fde9 100644
--- a/lib/include/tree_sitter/parser.h
+++ b/lib/include/tree_sitter/parser.h
@@ -15,9 +15,6 @@ extern "C" {
 
 #ifndef TREE_SITTER_API_H_
 typedef uint16_t TSStateId;
-#endif
-
-#ifndef TREE_SITTER_API_H_
 typedef uint16_t TSSymbol;
 typedef uint16_t TSFieldId;
 typedef struct TSLanguage TSLanguage;