diff --git a/src/build/virtual-target.jam b/src/build/virtual-target.jam
index f543652b0..3c52b32d5 100644
--- a/src/build/virtual-target.jam
+++ b/src/build/virtual-target.jam
@@ -471,14 +471,6 @@ rule add-prefix-and-suffix ( specified-name : type ? : property-set )
     
     local prefix = [ type.generated-target-prefix $(type) : $(property-set) ] ;
       
-#    if ! $(prefix)
-#       && [ type.is-derived $(type) LIB ] && [ os.on-unix ] 
-#       # This becomes hacky! Need to introduce more general mechanism.
-#       # Invoke type.set-target-prefix in unix toolkit?
-#       && ! [ type.is-derived $(type) PYTHON_EXTENSION ] 
-#    {
-#        prefix = lib ;
-#    }
     if  [ MATCH ^($(prefix)) : $(specified-name) ]
     {
         prefix = ;