Index: /trunk/src/VBox/Additions/linux/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Additions/linux/Makefile.kmk	(revision 66065)
+++ /trunk/src/VBox/Additions/linux/Makefile.kmk	(revision 66066)
@@ -372,5 +372,8 @@
 # Build test for the Guest Additions kernel modules (kmk check).
 #
-if defined(VBOX_WITH_TESTCASES) && !defined(VBOX_ONLY_SDK) && !defined(VBOX_ONLY_VALIDATIONKIT)
+if   defined(VBOX_WITH_TESTCASES) \
+ && !defined(VBOX_ONLY_SDK) \
+ && !defined(VBOX_ONLY_DOCS) \
+ && !defined(VBOX_ONLY_VALIDATIONKIT)
  VBOX_LNX_ADD_TEST        = $(PATH_TARGET)/tstguest_mod
  VBOX_LNX_ADD_TEST_TARGET = $(PATH_TARGET)/tstguest_mod.run
Index: /trunk/src/VBox/HostDrivers/Makefile.kmk
===================================================================
--- /trunk/src/VBox/HostDrivers/Makefile.kmk	(revision 66065)
+++ /trunk/src/VBox/HostDrivers/Makefile.kmk	(revision 66066)
@@ -60,5 +60,9 @@
 # Build test for the linux host kernel modules.
 #
-if defined(VBOX_WITH_TESTCASES) && !defined(VBOX_ONLY_SDK) && !defined(VBOX_ONLY_VALIDATIONKIT) && "$(KBUILD_TARGET)" == "linux"
+if   defined(VBOX_WITH_TESTCASES) \
+ && !defined(VBOX_ONLY_SDK) \
+ && !defined(VBOX_ONLY_DOCS) \
+ && !defined(VBOX_ONLY_VALIDATIONKIT) \
+ && "$(KBUILD_TARGET)" == "linux"
  VBOX_LNX_MOD_TEST        = $(PATH_TARGET)/tsthost_mod
  VBOX_LNX_MOD_TEST_TARGET = $(PATH_TARGET)/tsthost_mod.run