diff --git a/src/plugins/eva/domains/abstract_domain.ml b/src/plugins/eva/domains/abstract_domain.ml
index 64bc8ec4fd8cbfda4347e51be7fe7ef96040d7b0..465a10b220e7bb84f0d28757dc7abb4f5e3b5081 100644
--- a/src/plugins/eva/domains/abstract_domain.ml
+++ b/src/plugins/eva/domains/abstract_domain.ml
@@ -222,7 +222,6 @@ type ('value, 'location, 'origin) valuation =
 (** Transfer function of the domain. *)
 module type Transfer = sig
   type state
-  type context
   type value
   type location
   type origin
@@ -403,7 +402,6 @@ module type S = sig
   (** Transfer functions from the result of evaluations.
       See {!Eval} for more details about valuation. *)
   include Transfer with type state := t
-                    and type context := context
                     and type value := value
                     and type location := location
                     and type origin := origin
diff --git a/src/plugins/eva/domains/cvalue/cvalue_transfer.ml b/src/plugins/eva/domains/cvalue/cvalue_transfer.ml
index 97fa2c84c83f12a860b10d740c5d27e6043d6e2c..42610cca8f0c3d439baaf7b1a4f20af457c42593 100644
--- a/src/plugins/eva/domains/cvalue/cvalue_transfer.ml
+++ b/src/plugins/eva/domains/cvalue/cvalue_transfer.ml
@@ -23,7 +23,6 @@
 open Cil_types
 open Eval
 
-type context = unit
 type value = Main_values.CVal.t
 type origin = value
 type location = Main_locations.PLoc.location
diff --git a/src/plugins/eva/domains/taint_domain.ml b/src/plugins/eva/domains/taint_domain.ml
index af2aa971e151cc84512f77c90d4e8889200862ff..e0b0d4f3c07f1fd585db4313514983790a8ea1d4 100644
--- a/src/plugins/eva/domains/taint_domain.ml
+++ b/src/plugins/eva/domains/taint_domain.ml
@@ -315,8 +315,7 @@ module Domain = struct
   include QueriesTaint
 
   include (TransferTaint: Abstract_domain.Transfer
-           with type context := context
-            and type state := state
+           with type state := state
             and type value := value
             and type location := location
             and type origin := origin)