diff --git a/lib/include/tree_sitter/api.h b/lib/include/tree_sitter/api.h
index 9b0dfac0..2bbfe66f 100644
--- a/lib/include/tree_sitter/api.h
+++ b/lib/include/tree_sitter/api.h
@@ -42,7 +42,6 @@ typedef uint16_t TSStateId;
 typedef uint16_t TSSymbol;
 typedef uint16_t TSFieldId;
 typedef struct TSLanguage TSLanguage;
-typedef struct TSLanguageMetadata TSLanguageMetadata;
 typedef struct TSParser TSParser;
 typedef struct TSTree TSTree;
 typedef struct TSQuery TSQuery;
diff --git a/lib/src/parser.h b/lib/src/parser.h
index cdbe64cc..858107de 100644
--- a/lib/src/parser.h
+++ b/lib/src/parser.h
@@ -18,7 +18,6 @@ typedef uint16_t TSStateId;
 typedef uint16_t TSSymbol;
 typedef uint16_t TSFieldId;
 typedef struct TSLanguage TSLanguage;
-typedef struct TSLanguageMetadata TSLanguageMetadata;
 typedef struct TSLanguageMetadata {
   uint8_t major_version;
   uint8_t minor_version;