diff --git a/contracts/utils/extern.h b/contracts/utils/extern.h
index 68bb57b..3457fee 100644
--- a/contracts/utils/extern.h
+++ b/contracts/utils/extern.h
@@ -177,9 +177,6 @@ otxn_burden(void);
 extern int64_t
 otxn_field(uint32_t write_ptr, uint32_t write_len, uint32_t field_id);
 
-extern int64_t
-otxn_field_txt(uint32_t write_ptr, uint32_t write_len, uint32_t field_id);
-
 extern int64_t
 otxn_generation(void);
 
@@ -347,4 +344,4 @@ util_verify(
     uint32_t kread_ptr,
     uint32_t kread_len);
 #define HOOK_EXTERN
-#endif  // HOOK_EXTERN
+#endif // HOOK_EXTERN