diff --git a/src/lib/arch/unix/ArchSystemUnix.cpp b/src/lib/arch/unix/ArchSystemUnix.cpp
index 112e15cb27..9e554662d8 100644
--- a/src/lib/arch/unix/ArchSystemUnix.cpp
+++ b/src/lib/arch/unix/ArchSystemUnix.cpp
@@ -74,9 +74,3 @@ void
 ArchSystemUnix::setting(const std::string&, const std::string&) const
 {
 }
-
-std::string
-ArchSystemUnix::getLibsUsed(void) const
-{
-	return "not implmented.\nuse lsof on shell";
-}
diff --git a/src/lib/arch/unix/ArchSystemUnix.h b/src/lib/arch/unix/ArchSystemUnix.h
index acacaa985a..b9f3705f0d 100644
--- a/src/lib/arch/unix/ArchSystemUnix.h
+++ b/src/lib/arch/unix/ArchSystemUnix.h
@@ -33,6 +33,4 @@ public:
 	virtual std::string getPlatformName() const;
 	virtual std::string setting(const std::string&) const;
 	virtual void setting(const std::string&, const std::string&) const;
-	virtual std::string getLibsUsed(void) const;
-
 };