diff --git a/infer/src/clang/ast_expressions.ml b/infer/src/clang/ast_expressions.ml
index a4d322c91..68f9f4903 100644
--- a/infer/src/clang/ast_expressions.ml
+++ b/infer/src/clang/ast_expressions.ml
@@ -31,26 +31,6 @@ let fresh_stmt_info stmt_info =
 let fresh_decl_info decl_info =
   { decl_info with Clang_ast_t.di_pointer = Ast_utils.get_fresh_pointer () }
 
-let dummy_decl_info decl_info = {
-  decl_info with
-  Clang_ast_t.di_pointer = Ast_utils.get_fresh_pointer ();
-  di_source_range = dummy_source_range ();
-}
-
-let dummy_decl_info_in_curr_file decl_info =
-  let source_loc = {
-    Clang_ast_t.sl_file = Some (DB.source_file_to_abs_path !CLocation.current_source_file);
-    sl_line = None;
-    sl_column = None;
-  } in {
-    decl_info with
-    Clang_ast_t.di_pointer = Ast_utils.get_fresh_pointer ();
-    di_source_range =
-      if !CFrontend_config.testing_mode then
-        decl_info.Clang_ast_t.di_source_range
-      else (source_loc, source_loc);
-  }
-
 let empty_decl_info = {
   Clang_ast_t.di_pointer = "";
   di_parent_pointer = None;
@@ -194,12 +174,6 @@ let make_expr_info tp vk objc_kind = {
 let make_expr_info_with_objc_kind tp objc_kind =
   make_expr_info tp `LValue objc_kind
 
-let make_lvalue_obc_prop_expr_info tp =
-  make_expr_info tp `LValue `ObjCProperty
-
-let make_method_decl_info mdi body =
-  { mdi with Clang_ast_t.omdi_body = Some body; }
-
 let make_decl_ref_exp stmt_info expr_info drei =
   let stmt_info = {
     Clang_ast_t.si_pointer = Ast_utils.get_fresh_pointer ();
@@ -238,62 +212,11 @@ let make_decl_ref_no_tp k decl_ptr name is_hidden =
 let make_decl_ref_invalid k name is_hidden tp =
   make_decl_ref k (Ast_utils.get_invalid_pointer ()) name is_hidden (Some tp)
 
-let make_decl_ref_self ptr tp = {
-  Clang_ast_t.dr_kind = `ImplicitParam;
-  dr_decl_pointer = ptr;
-  dr_name = Some (Ast_utils.make_name_decl "self");
-  dr_is_hidden = false ;
-  dr_type_ptr = Some tp
-}
-
 let make_decl_ref_expr_info decl_ref = {
   Clang_ast_t.drti_decl_ref = Some decl_ref;
   drti_found_decl_ref = None;
 }
 
-let make_obj_c_ivar_ref_expr_info k ptr n tp = {
-  Clang_ast_t.ovrei_decl_ref = make_decl_ref_tp k ptr n false tp;
-  ovrei_pointer = Ast_utils.get_fresh_pointer ();
-  ovrei_is_free_ivar = true;
-}
-
-(* Build an AST cast expression of a decl_ref_expr *)
-let make_cast_expr tp di decl_ref_expr_info objc_kind =
-  let expr_info = make_expr_info tp `RValue objc_kind in
-  let stmt_info = make_stmt_info di in
-  let decl_ref_exp = make_decl_ref_exp stmt_info expr_info decl_ref_expr_info in
-  let cast_expr = {
-    Clang_ast_t.cei_cast_kind = `LValueToRValue;
-    cei_base_path = [];
-  } in
-  let cast_exp_rhs =
-    Clang_ast_t.ImplicitCastExpr(stmt_info, [decl_ref_exp], expr_info, cast_expr) in
-  cast_exp_rhs
-
-(* Build AST expression self.field_name as `LValue *)
-let make_self_field class_type di tp field_name =
-  let tp_class = create_pointer_type (create_class_type class_type) in
-  let expr_info = make_expr_info_with_objc_kind tp `ObjCProperty in
-  let stmt_info = make_stmt_info di in
-  let cast_exp = make_cast_expr tp_class di (make_decl_ref_expr_info (make_decl_ref_self di.Clang_ast_t.di_pointer tp_class)) `ObjCProperty in
-  let obj_c_ivar_ref_expr_info = make_obj_c_ivar_ref_expr_info (`ObjCIvar) di.Clang_ast_t.di_pointer field_name tp in
-  let ivar_ref_exp =
-    Clang_ast_t.ObjCIvarRefExpr(stmt_info, [cast_exp], expr_info, obj_c_ivar_ref_expr_info) in
-  ivar_ref_exp
-
-(* Build AST expression for self.field_name casted as `RValue. *)
-let make_deref_self_field class_decl_opt di tp field_name =
-  let stmt_info = make_stmt_info di in
-  let ivar_ref_exp = make_self_field class_decl_opt di tp field_name in
-  let expr_info' = make_expr_info tp `RValue `ObjCProperty in
-  let cast_exp_info = {
-    Clang_ast_t.cei_cast_kind = `LValueToRValue;
-    cei_base_path = [];
-  } in
-  let cast_exp' =
-    Clang_ast_t.ImplicitCastExpr(stmt_info, [ivar_ref_exp], expr_info', cast_exp_info) in
-  cast_exp'
-
 let make_objc_ivar_decl decl_info tp property_impl_decl_info ivar_name =
   let field_decl_info = {
     Clang_ast_t.fldi_is_mutable = true;
@@ -323,12 +246,6 @@ let make_ObjCBoolLiteralExpr stmt_info value =
   let ei = make_expr_info create_BOOL_type in
   Clang_ast_t.ObjCBoolLiteralExpr((fresh_stmt_info stmt_info),[], ei, value)
 
-let make_decl_ref_exp_var (var_name, var_tp, var_ptr) var_kind stmt_info =
-  let stmt_info = stmt_info_with_fresh_pointer stmt_info in
-  let decl_ref = make_decl_ref_tp var_kind var_ptr var_name false var_tp in
-  let expr_info = make_expr_info var_tp in
-  make_decl_ref_exp stmt_info expr_info (make_decl_ref_expr_info decl_ref)
-
 let make_message_expr param_tp selector decl_ref_exp stmt_info add_cast =
   let stmt_info = stmt_info_with_fresh_pointer stmt_info in
   let parameters =
@@ -340,10 +257,6 @@ let make_message_expr param_tp selector decl_ref_exp stmt_info add_cast =
   let expr_info = make_expr_info_with_objc_kind param_tp `ObjCProperty in
   Clang_ast_t.ObjCMessageExpr (stmt_info, parameters, expr_info, obj_c_message_expr_info)
 
-let make_compound_stmt stmts stmt_info =
-  let stmt_info = stmt_info_with_fresh_pointer stmt_info in
-  Clang_ast_t.CompoundStmt (stmt_info, stmts)
-
 let make_binary_stmt stmt1 stmt2 stmt_info expr_info boi =
   let stmt_info = stmt_info_with_fresh_pointer stmt_info in
   Clang_ast_t.BinaryOperator(stmt_info, [stmt1; stmt2], expr_info, boi)
diff --git a/infer/src/clang/ast_expressions.mli b/infer/src/clang/ast_expressions.mli
index 7aefdcca3..e06fecc3b 100644
--- a/infer/src/clang/ast_expressions.mli
+++ b/infer/src/clang/ast_expressions.mli
@@ -13,10 +13,6 @@ open Clang_ast_t
 
 val dummy_stmt : unit -> stmt
 
-val dummy_decl_info : decl_info -> decl_info
-
-val dummy_decl_info_in_curr_file : decl_info -> decl_info
-
 val dummy_source_range : unit -> source_range
 
 val dummy_stmt_info : unit -> stmt_info
@@ -50,12 +46,8 @@ val create_pointer_type : type_ptr -> type_ptr
 val make_objc_ivar_decl : decl_info -> type_ptr -> obj_c_property_impl_decl_info ->
   named_decl_info -> decl
 
-val make_deref_self_field : string -> decl_info -> type_ptr -> named_decl_info -> stmt
-
 val make_stmt_info : decl_info -> stmt_info
 
-val make_method_decl_info : obj_c_method_decl_info -> stmt -> obj_c_method_decl_info
-
 val make_decl_ref_tp : decl_kind -> pointer -> named_decl_info -> bool -> type_ptr -> decl_ref
 
 val make_decl_ref_expr_info : decl_ref -> decl_ref_expr_info
@@ -64,10 +56,6 @@ val make_general_expr_info : type_ptr -> value_kind -> object_kind -> expr_info
 
 val make_expr_info : type_ptr -> expr_info
 
-val make_cast_expr : type_ptr -> decl_info -> decl_ref_expr_info -> object_kind -> stmt
-
-val make_self_field : string -> decl_info -> type_ptr -> named_decl_info -> stmt
-
 val make_next_object_exp : stmt_info -> stmt -> Clang_ast_t.stmt ->
   Clang_ast_t.stmt * Clang_ast_t.stmt
 
@@ -77,10 +65,6 @@ val create_implicit_cast_expr : stmt_info -> stmt list -> type_ptr -> cast_kind
 
 val make_message_expr : type_ptr -> string -> stmt -> stmt_info -> bool -> stmt
 
-val make_compound_stmt : stmt list -> stmt_info -> stmt
-
-val make_decl_ref_exp_var : named_decl_info * type_ptr * pointer -> decl_kind -> stmt_info -> stmt
-
 val make_binary_stmt : stmt -> stmt -> stmt_info -> expr_info -> binary_operator_info -> stmt
 
 val make_obj_c_message_expr_info_class : string -> string -> pointer option ->