--- ./libmissing/tests/Makefile.am	2016-09-15 08:49:10.764000884 +0200
+++ ./libmissing/tests/Makefile.am	2017-05-14 12:03:01.912530446 +0200
@@ -689,15 +689,6 @@
 
 ## end   gnulib module localename-tests
 
-## begin gnulib module lock-tests
-
-TESTS += test-lock
-check_PROGRAMS += test-lock
-test_lock_LDADD = $(LDADD) @LIBMULTITHREAD@ @YIELD_LIB@
-EXTRA_DIST += test-lock.c
-
-## end   gnulib module lock-tests
-
 ## begin gnulib module lseek-tests
 
 TESTS += test-lseek.sh
--- ./libmissing/tests/Makefile.in	2016-09-15 08:51:18.969000884 +0200
+++ ./libmissing/tests/Makefile.in	2017-05-14 12:04:03.624207164 +0200
@@ -82,7 +82,7 @@
 	test-inttypes$(EXEEXT) test-ioctl$(EXEEXT) \
 	test-langinfo$(EXEEXT) test-listen$(EXEEXT) \
 	test-locale$(EXEEXT) test-localeconv$(EXEEXT) \
-	test-localename$(EXEEXT) test-lock$(EXEEXT) test-lseek.sh \
+	test-localename$(EXEEXT) test-lseek.sh \
 	test-lstat$(EXEEXT) test-malloca$(EXEEXT) test-mbrtowc1.sh \
 	test-mbrtowc2.sh test-mbrtowc3.sh test-mbrtowc4.sh \
 	test-mbrtowc5.sh test-mbrtowc-w32-1.sh test-mbrtowc-w32-2.sh \
@@ -145,7 +145,7 @@
 	test-inttypes$(EXEEXT) test-ioctl$(EXEEXT) \
 	test-langinfo$(EXEEXT) test-listen$(EXEEXT) \
 	test-locale$(EXEEXT) test-localeconv$(EXEEXT) \
-	test-localename$(EXEEXT) test-lock$(EXEEXT) \
+	test-localename$(EXEEXT) \
 	test-lseek$(EXEEXT) test-lstat$(EXEEXT) test-malloca$(EXEEXT) \
 	test-mbrtowc$(EXEEXT) test-mbrtowc-w32$(EXEEXT) \
 	test-mbsinit$(EXEEXT) test-memchr$(EXEEXT) \
@@ -668,9 +668,6 @@
 test_localename_OBJECTS = test-localename.$(OBJEXT)
 test_localename_DEPENDENCIES = $(am__DEPENDENCIES_2) \
 	$(am__DEPENDENCIES_1)
-test_lock_SOURCES = test-lock.c
-test_lock_OBJECTS = test-lock.$(OBJEXT)
-test_lock_DEPENDENCIES = $(am__DEPENDENCIES_2)
 test_lseek_SOURCES = test-lseek.c
 test_lseek_OBJECTS = test-lseek.$(OBJEXT)
 test_lseek_LDADD = $(LDADD)
@@ -1039,7 +1036,7 @@
 	test-gettimeofday.c test-ignore-value.c test-inet_ntop.c \
 	test-inet_pton.c test-intprops.c test-inttypes.c test-ioctl.c \
 	test-langinfo.c test-listen.c test-locale.c test-localeconv.c \
-	test-localename.c test-lock.c test-lseek.c test-lstat.c \
+	test-localename.c test-lseek.c test-lstat.c \
 	test-malloca.c test-mbrtowc.c test-mbrtowc-w32.c \
 	test-mbsinit.c test-memchr.c test-memmem.c test-netdb.c \
 	test-netinet_in.c test-nl_langinfo.c test-open.c \
@@ -1076,7 +1073,7 @@
 	test-gettimeofday.c test-ignore-value.c test-inet_ntop.c \
 	test-inet_pton.c test-intprops.c test-inttypes.c test-ioctl.c \
 	test-langinfo.c test-listen.c test-locale.c test-localeconv.c \
-	test-localename.c test-lock.c test-lseek.c test-lstat.c \
+	test-localename.c test-lseek.c test-lstat.c \
 	test-malloca.c test-mbrtowc.c test-mbrtowc-w32.c \
 	test-mbsinit.c test-memchr.c test-memmem.c test-netdb.c \
 	test-netinet_in.c test-nl_langinfo.c test-open.c \
@@ -2222,7 +2219,7 @@
 	inttypes.in.h test-inttypes.c test-ioctl.c signature.h \
 	macros.h test-langinfo.c test-listen.c signature.h macros.h \
 	test-locale.c test-localeconv.c signature.h macros.h \
-	localename.h test-localename.c macros.h test-lock.c \
+	localename.h test-localename.c macros.h \
 	test-lseek.c test-lseek.sh signature.h macros.h lstat.c \
 	test-lstat.h test-lstat.c signature.h macros.h malloca.h \
 	malloca.valgrind test-malloca.c test-mbrtowc1.sh \
@@ -2333,7 +2330,6 @@
 test_inet_pton_LDADD = $(LDADD) @INET_PTON_LIB@
 test_listen_LDADD = $(LDADD) @LIBSOCKET@
 test_localename_LDADD = $(LDADD) @INTL_MACOSX_LIBS@ $(LIBTHREAD)
-test_lock_LDADD = $(LDADD) @LIBMULTITHREAD@ @YIELD_LIB@
 test_poll_LDADD = $(LDADD) $(LIB_POLL) @LIBSOCKET@ $(INET_PTON_LIB)
 test_regex_LDADD = $(LDADD) @LIBINTL@ $(LIBTHREAD) $(LIB_PTHREAD)
 test_select_LDADD = $(LDADD) @LIB_SELECT@ @LIBSOCKET@ $(INET_PTON_LIB)
@@ -2595,9 +2591,6 @@
 test-localename$(EXEEXT): $(test_localename_OBJECTS) $(test_localename_DEPENDENCIES) 
 	@rm -f test-localename$(EXEEXT)
 	$(LINK) $(test_localename_OBJECTS) $(test_localename_LDADD) $(LIBS)
-test-lock$(EXEEXT): $(test_lock_OBJECTS) $(test_lock_DEPENDENCIES) 
-	@rm -f test-lock$(EXEEXT)
-	$(LINK) $(test_lock_OBJECTS) $(test_lock_LDADD) $(LIBS)
 test-lseek$(EXEEXT): $(test_lseek_OBJECTS) $(test_lseek_DEPENDENCIES) 
 	@rm -f test-lseek$(EXEEXT)
 	$(LINK) $(test_lseek_OBJECTS) $(test_lseek_LDADD) $(LIBS)
@@ -2888,7 +2881,6 @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-locale.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-localeconv.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-localename.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-lock.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-lseek.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-lstat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-malloca.Po@am__quote@