diff --git a/lib/src/language.h b/lib/src/language.h
index 6832f8fe..003123a3 100644
--- a/lib/src/language.h
+++ b/lib/src/language.h
@@ -41,10 +41,6 @@ bool ts_language_is_reserved_word(const TSLanguage *self, TSStateId state, TSSym
 TSSymbolMetadata ts_language_symbol_metadata(const TSLanguage *self, TSSymbol symbol);
 TSSymbol ts_language_public_symbol(const TSLanguage *self, TSSymbol symbol);
 
-static inline bool ts_language_is_symbol_external(const TSLanguage *self, TSSymbol symbol) {
-  return 0 < symbol && symbol < self->external_token_count + 1;
-}
-
 static inline const TSParseAction *ts_language_actions(
   const TSLanguage *self,
   TSStateId state,
diff --git a/lib/src/lexer.c b/lib/src/lexer.c
index 78f216d2..94124fd1 100644
--- a/lib/src/lexer.c
+++ b/lib/src/lexer.c
@@ -443,12 +443,6 @@ void ts_lexer_finish(Lexer *self, uint32_t *lookahead_end_byte) {
   }
 }
 
-void ts_lexer_advance_to_end(Lexer *self) {
-  while (self->chunk) {
-    ts_lexer__advance(&self->data, false);
-  }
-}
-
 void ts_lexer_mark_end(Lexer *self) {
   ts_lexer__mark_end(&self->data);
 }
diff --git a/lib/src/lexer.h b/lib/src/lexer.h
index 6ad663fa..7f451e3f 100644
--- a/lib/src/lexer.h
+++ b/lib/src/lexer.h
@@ -43,7 +43,6 @@ void ts_lexer_set_input(Lexer *self, TSInput input);
 void ts_lexer_reset(Lexer *self, Length position);
 void ts_lexer_start(Lexer *self);
 void ts_lexer_finish(Lexer *self, uint32_t *lookahead_end_byte);
-void ts_lexer_advance_to_end(Lexer *self);
 void ts_lexer_mark_end(Lexer *self);
 bool ts_lexer_set_included_ranges(Lexer *self, const TSRange *ranges, uint32_t count);
 TSRange *ts_lexer_included_ranges(const Lexer *self, uint32_t *count);
diff --git a/lib/src/point.h b/lib/src/point.h
index 06c16f57..39581988 100644
--- a/lib/src/point.h
+++ b/lib/src/point.h
@@ -45,18 +45,4 @@ static inline bool point_eq(TSPoint a, TSPoint b) {
   return a.row == b.row && a.column == b.column;
 }
 
-static inline TSPoint point_min(TSPoint a, TSPoint b) {
-  if (a.row < b.row || (a.row == b.row && a.column < b.column))
-    return a;
-  else
-    return b;
-}
-
-static inline TSPoint point_max(TSPoint a, TSPoint b) {
-  if (a.row > b.row || (a.row == b.row && a.column > b.column))
-    return a;
-  else
-    return b;
-}
-
 #endif
diff --git a/lib/src/subtree.c b/lib/src/subtree.c
index b06ffc08..42794de7 100644
--- a/lib/src/subtree.c
+++ b/lib/src/subtree.c
@@ -669,12 +669,6 @@ Subtree ts_subtree_edit(Subtree self, const TSInputEdit *input_edit, SubtreePool
       padding = edit.new_end;
     }
 
-    // If the edit is a pure insertion right at the start of the subtree,
-    // shift the subtree over according to the insertion.
-    else if (edit.start.bytes == padding.bytes && is_pure_insertion) {
-      padding = edit.new_end;
-    }
-
     // If the edit is within this subtree, resize the subtree to reflect the edit.
     else if (
       edit.start.bytes < total_size.bytes ||