diff --git a/test/mock_client_state.hpp b/test/mock_client_state.hpp
index 4bb53b4..3bdbd48 100644
--- a/test/mock_client_state.hpp
+++ b/test/mock_client_state.hpp
@@ -60,10 +60,6 @@ namespace wsrep
             , aborts_()
         { }
 
-        int apply_write_set(const wsrep::const_buffer&);
-
-        int apply_toi(const wsrep::const_buffer&);
-
         int bf_rollback() WSREP_OVERRIDE;
 
         bool do_2pc() const WSREP_OVERRIDE
@@ -75,10 +71,6 @@ namespace wsrep
 
         void emergency_shutdown() WSREP_OVERRIDE { ++aborts_; }
 
-        int append_fragment(const wsrep::transaction&,
-                            int,
-                            const wsrep::const_buffer&)
-        { return 0; }
         int remove_fragments() WSREP_OVERRIDE { return 0; }
         void will_replay() WSREP_OVERRIDE { }
 
diff --git a/test/mock_high_priority_service.cpp b/test/mock_high_priority_service.cpp
index 17c432c..a7e098d 100644
--- a/test/mock_high_priority_service.cpp
+++ b/test/mock_high_priority_service.cpp
@@ -5,14 +5,6 @@
 #include "mock_high_priority_service.hpp"
 #include "mock_server_state.hpp"
 
-int wsrep::mock_high_priority_service::apply(
-    const wsrep::ws_handle& ws_handle,
-    const wsrep::ws_meta& ws_meta,
-    const wsrep::const_buffer& data)
-{
-    return server_state_.on_apply(*this, ws_handle, ws_meta, data);
-}
-
 int wsrep::mock_high_priority_service::start_transaction(
     const wsrep::ws_handle& ws_handle, const wsrep::ws_meta& ws_meta)
 {
diff --git a/test/mock_high_priority_service.hpp b/test/mock_high_priority_service.hpp
index ef4ac89..2ce86dc 100644
--- a/test/mock_high_priority_service.hpp
+++ b/test/mock_high_priority_service.hpp
@@ -24,10 +24,6 @@ namespace wsrep
             , replaying_(replaying)
         { }
 
-        int apply(const wsrep::ws_handle&,
-                  const wsrep::ws_meta&,
-                  const wsrep::const_buffer&);
-
         int start_transaction(const wsrep::ws_handle&, const wsrep::ws_meta&)
             WSREP_OVERRIDE;