diff --git a/include/lexer/lexer.h b/include/lexer/lexer.h
index 8edfe7c..129dfb8 100644
--- a/include/lexer/lexer.h
+++ b/include/lexer/lexer.h
@@ -53,13 +53,12 @@ typedef struct {
   token_t token;
 } lex_result_t;
 
-typedef struct lexer lexer_t;
+typedef struct lexer_s lexer_t;
 
 void lexer_init(lexer_t **lexer);
 void lexer_free(lexer_t **lexer);
 lex_result_t get_next_token(lexer_t *lexer, const char *text);
 
-bool validate_json(char *json);
 void print_token(token_t token);
 
 #endif // !LEXER_STATES_H
diff --git a/src/lexer/lexer.c b/src/lexer/lexer.c
index 7f7171e..6161248 100644
--- a/src/lexer/lexer.c
+++ b/src/lexer/lexer.c
@@ -77,7 +77,7 @@ typedef struct {
   };
 } lexer_string_t;
 
-struct lexer {
+struct lexer_s {
   u64 cursor;
   u64 line;
   u64 column;
@@ -246,39 +246,6 @@ lex_result_t get_next_token(lexer_t *lexer, const char *text) {
   };
 }
 
-bool validate_json(char *json) {
-  lexer_t lexer = {0};
-  lexer.line = 1;
-  lexer.column = 0;
-  lexer.current = LEXER_STATE_START;
-  lexer.keyword.type = LEXER_STRING_KEYWORD;
-  lexer.codepoint.type = LEXER_STRING_UNICODE;
-  lexer.current_string = dstr_with_capacity(STRING_BUF_START_CAPACITY);
-
-  if (!lexer.current_string) {
-    // TODO (Abdelrahman): This is fine for now, but it doesn't make sense to
-    // return INVALID_JSON if string allocation fails
-    return INVALID_JSON;
-  }
-
-  for (char *c = json; *c != '\0'; ++c) {
-    lexer_state_machine(&lexer, *c);
-
-    // Track the position in the text
-    ++(lexer.column);
-    if (*c == '\n') {
-      ++(lexer.line);
-      lexer.column = 0;
-    }
-
-    if (lexer.current == LEXER_STATE_ERROR) {
-      return INVALID_JSON;
-    }
-  }
-
-  return lexer.current == LEXER_STATE_LAST_COLLECTION || lexer.stack.size == 0;
-}
-
 void print_token(token_t token) {
   i32 num_padding = 4;