diff --git a/eeschema/sim/ngspice.cpp b/eeschema/sim/ngspice.cpp
index 06ddc6883b..180873016a 100644
--- a/eeschema/sim/ngspice.cpp
+++ b/eeschema/sim/ngspice.cpp
@@ -193,12 +193,6 @@ main()
 #endif
 
 
-
-string NGSPICE::GetConsole() const {
-    return "";
-}
-
-
 int NGSPICE::cbSendChar( char* what, int id, void* user )
 {
     NGSPICE* sim = reinterpret_cast<NGSPICE*>( user );
diff --git a/eeschema/sim/ngspice.h b/eeschema/sim/ngspice.h
index bdd12248f4..262a8a2e98 100644
--- a/eeschema/sim/ngspice.h
+++ b/eeschema/sim/ngspice.h
@@ -36,16 +36,11 @@ public:
     NGSPICE();
     virtual ~NGSPICE();
 
-    void Init();
-    bool LoadNetlist( const std::string& aNetlist );
-    bool Run();
-    bool Command( const std::string& aCmd );
-
-    std::string GetConsole() const;
-
-    const std::vector<double> GetPlot( const std::string& aName, int aMaxLen = -1 );
-
-    void dump();
+    void Init() override;
+    bool LoadNetlist( const std::string& aNetlist ) override;
+    bool Run() override;
+    bool Command( const std::string& aCmd ) override;
+    const std::vector<double> GetPlot( const std::string& aName, int aMaxLen = -1 ) override;
 
 private:
     typedef void (*ngSpice_Init)( SendChar*, SendStat*, ControlledExit*,
@@ -69,6 +64,8 @@ private:
 
     static int cbSendChar( char* what, int id, void* user );
     static int cbSendStat( char* what, int id, void* user );
+
+    void dump();
 };
 
 #endif /* NGSPICE_H */