diff -ru glib-2.58.3/gio/Makefile.am src/gio/Makefile.am
--- glib-2.58.3/gio/Makefile.am	2019-01-21 14:38:50.000000000 +0100
+++ src/gio/Makefile.am	2019-02-14 16:10:39.567872610 +0100
@@ -246,7 +246,7 @@
 platform_deps += win32/libgiowin32.la
 endif
 
-SUBDIRS += . tests
+SUBDIRS += .
 
 if HAVE_FAM
 SUBDIRS += fam
Only in glib-2.58.3/gio/tests: org.gtk.test.gschema.override.orig
Only in glib-2.58.3/gio/tests: org.gtk.test.gschema.xml.orig
diff -ru glib-2.58.3/glib/Makefile.am src/glib/Makefile.am
--- glib-2.58.3/glib/Makefile.am	2019-01-21 14:38:50.000000000 +0100
+++ src/glib/Makefile.am	2019-02-14 16:10:39.595872862 +0100
@@ -33,7 +33,7 @@
 MAYBE_PCRE = pcre 
 endif
 
-SUBDIRS = libcharset $(PRINTF_SUBDIR) $(MAYBE_PCRE) update-pcre . tests
+SUBDIRS = libcharset $(PRINTF_SUBDIR) $(MAYBE_PCRE) update-pcre .
 DIST_SUBDIRS = libcharset gnulib pcre update-pcre tests
 
 AM_CPPFLAGS = 				\
diff -ru glib-2.58.3/gobject/Makefile.am src/gobject/Makefile.am
--- glib-2.58.3/gobject/Makefile.am	2019-01-21 14:38:50.000000000 +0100
+++ src/gobject/Makefile.am	2019-02-14 16:10:39.595872862 +0100
@@ -4,7 +4,7 @@
 ## Process this file with automake to produce Makefile.in
 include $(top_srcdir)/glib.mk
 
-SUBDIRS = . tests
+SUBDIRS = .
 
 AM_CPPFLAGS = 					\
 	-DG_LOG_DOMAIN=\"GLib-GObject\"		\
diff -ru glib-2.58.3/Makefile.am src/Makefile.am
--- glib-2.58.3/Makefile.am	2019-01-21 14:38:50.000000000 +0100
+++ src/Makefile.am	2019-02-14 16:11:18.648224234 +0100
@@ -6,7 +6,7 @@
 
 ACLOCAL_AMFLAGS = -I m4macros ${ACLOCAL_FLAGS}
 
-SUBDIRS = . m4macros glib gmodule gthread gobject gio po docs tests subprojects
+SUBDIRS = . m4macros glib gmodule gthread gobject gio po subprojects
 DIST_SUBDIRS = $(SUBDIRS) build
 
 bin_SCRIPTS = glib-gettextize