Index: virtualbox/Config.kmk
===================================================================
--- virtualbox.orig/Config.kmk	2014-06-05 11:53:50.614360757 +0400
+++ virtualbox/Config.kmk	2014-06-05 11:55:41.646636304 +0400
@@ -2774,7 +2774,7 @@
 SDK_VBOX_LIBPNG_LIBS ?= $(PATH_STAGE_LIB)/VBox-libpng$(VBOX_SUFF_LIB)
 
 SDK_VBOX_ZLIB         = .
-if1of ($(KBUILD_TARGET), os2 solaris win)
+if1of ($(KBUILD_TARGET), os2 win)
  SDK_VBOX_ZLIB_INCS  ?= $(PATH_ROOT)/src/libs/zlib-1.2.6
  SDK_VBOX_ZLIB_LIBS  ?= $(PATH_STAGE_LIB)/VBox-zlib$(VBOX_SUFF_LIB)
 else
@@ -2785,7 +2785,7 @@
 
 SDK_VBOX_ZLIB-x86    = .
 SDK_VBOX_ZLIB-x86_EXTENDS = VBOX_ZLIB
-if1of ($(KBUILD_TARGET), os2 solaris win)
+if1of ($(KBUILD_TARGET), os2 win)
  SDK_VBOX_ZLIB_LIBS-x86  ?= $(PATH_STAGE_LIB)/VBox-zlib-x86$(VBOX_SUFF_LIB)
 endif