diff --git a/pub/lib/mem.cpp b/pub/lib/mem.cpp
index b45c64ebecb92a66dd27993fc554ded0cc519cab..90ee57cd35d53784702c4eff981551916fb40ab3 100644
--- a/pub/lib/mem.cpp
+++ b/pub/lib/mem.cpp
@@ -290,9 +290,6 @@ namespace NOlm {
         }
     }
 
-    void mem_store( POld fd, int k ) { mem_store( (POlo)fd, k ); }
-    void mem_store( POlc fc, int k ) { mem_store( (POlo)fc, k ); }
-
     //! Remove selected files from online memory.
     void mem_del()
     {
diff --git a/pub/lib/mem.hpp b/pub/lib/mem.hpp
index b018222314002cc842b9da7814651cdb8caa94fe..dfaad7d832a25a07375f99385a29ec16f454ae09 100644
--- a/pub/lib/mem.hpp
+++ b/pub/lib/mem.hpp
@@ -1,7 +1,7 @@
 //**************************************************************************************************
-//*  FRIDA: fast reliable interactive data analysis                         
-//*  (C) Joachim Wuttke 1990-, v2(C++) 2001-                                
-//*  http://apps.jcns.fz-juelich.de/frida                                   
+//*  FRIDA: fast reliable interactive data analysis
+//*  (C) Joachim Wuttke 1990-, v2(C++) 2001-
+//*  http://apps.jcns.fz-juelich.de/frida
 //**************************************************************************************************
 
 //! \file  mem.hpp
@@ -16,11 +16,9 @@ namespace NOlm {
     POld mem_get_D( int k );
     POlc mem_get_C( int k );
     int  mem_size();
-    
+
     // Modify online memory (file selection is changed accordingly):
     void mem_store( POlo olo, int k=-1 );
-    void mem_store( POld old, int k=-1 );
-    void mem_store( POlc olc, int k=-1 );
     void mem_del();
     void mem_del( int k );
     void mem_xchange();
@@ -57,12 +55,12 @@ namespace NOlm {
         int size() const;
     };
 
-    //! Bit values of 'mode' parameter in IterateO constructor. 
+    //! Bit values of 'mode' parameter in IterateO constructor.
     const int IterALL = 1; ///< select all online files
     const int IterTOL = 2; ///< tolerate empty selection
 
     //! Iterate over data files in selection.
-    class IterateD : public IterateO { 
+    class IterateD : public IterateO {
     public:
         POld operator()();
         int size() const;