diff --git a/TODO.TXT b/TODO.TXT
index 976313c..c174187 100644
--- a/TODO.TXT
+++ b/TODO.TXT
@@ -1,4 +1,4 @@
 X resolve all TODO in source codes
-  remove f16/f32/f64 types
+X remove f16/f32/f64 types
   partial code generation for C (divide decls and functions)
   release v1.0.1
diff --git a/transpile_c.c b/transpile_c.c
index 62e488e..01c2e2a 100644
--- a/transpile_c.c
+++ b/transpile_c.c
@@ -34,9 +34,6 @@ static const struct_member_type_name_meta_t struct_member_type_name_meta_map_
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI16] = {"b16", "int16_t"},
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI32] = {"b32", "int32_t"},
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI64] = {"b64", "int64_t"},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F16]  = {"f16", "float"},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F32]  = {"f32", "float"},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F64]  = {"f64", "double"},
 };
 
 static const char* const expr_operator_string_map_
diff --git a/tree.c b/tree.c
index 67ebc57..8f08cf9 100644
--- a/tree.c
+++ b/tree.c
@@ -31,9 +31,6 @@ biner_tree_struct_member_type_name_meta_map
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI16] = {"bi16", 2},
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI32] = {"bi32", 4},
   [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI64] = {"bi64", 8},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F16]  = {"f16",  2},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F32]  = {"f32",  4},
-  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F64]  = {"f64",  8},
 };
 
 biner_tree_parse_context_t biner_tree_parse_context_ = {0};
diff --git a/tree.h b/tree.h
index 3714cc0..17e9ac7 100644
--- a/tree.h
+++ b/tree.h
@@ -70,9 +70,6 @@ typedef enum biner_tree_struct_member_type_name_t {
   BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI16,
   BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI32,
   BINER_TREE_STRUCT_MEMBER_TYPE_NAME_BI64,
-  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F16,
-  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F32,
-  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_F64,
   BINER_TREE_STRUCT_MEMBER_TYPE_NAME_USER_DECL,
 
   BINER_TREE_STRUCT_MEMBER_TYPE_NAME_MAX_,