diff -u --recursive libgee-0.20.0-vanilla/configure.ac libgee-0.20.0/configure.ac
--- libgee-0.20.0-vanilla/configure.ac	2018-01-07 20:42:52.827537620 -0500
+++ libgee-0.20.0/configure.ac	2018-01-07 20:43:25.128645499 -0500
@@ -65,11 +65,6 @@
               enable_consistency_check=$enableval, enable_consistency_check=no)
 AS_IF([test "x$enable_consistency_check" != xno], [VALA_ADD_VALAFLAGS(-D CONSISTENCY_CHECKS)])
 
-AX_REQUIRE_DEFINED([GOBJECT_INTROSPECTION_CHECK])
-GOBJECT_INTROSPECTION_CHECK([0.9.0])
-
-VALA_CHECK([0.25.1])
-
 AC_OUTPUT([Makefile
            gee-0.8.pc
            benchmark/Makefile
diff -u --recursive libgee-0.20.0-vanilla/gee/Makefile.am libgee-0.20.0/gee/Makefile.am
--- libgee-0.20.0-vanilla/gee/Makefile.am	2018-01-07 20:42:52.829537627 -0500
+++ libgee-0.20.0/gee/Makefile.am	2018-01-07 20:43:48.332722990 -0500
@@ -146,29 +146,6 @@
 	gee-0.8.vapi \
 	$(NULL)
 
-if HAVE_INTROSPECTION
-girdir = @INTROSPECTION_GIRDIR@
-
-dist_gir_DATA = \
-	Gee-0.8.gir \
-	$(NULL)
-
-typelibdir = @INTROSPECTION_TYPELIBDIR@
-typelib_DATA = \
-	Gee-0.8.typelib \
-	$(NULL)
-
-# Extract dlname from libfolks.la; see bug #658002.
-# This is what g-ir-scanner does.
-libgee_dlname = \
-	`$(SED) -nE "s/^dlname='([A-Za-z0-9.+-]+)'/\1/p" libgee-0.8.la`
-INTROSPECTION_COMPILER_ARGS= \
-	-l $(libgee_dlname)
-Gee-0.8.gir: libgee_0_8_la_vala.stamp
-Gee-0.8.typelib: Gee-0.8.gir libgee-0.8.la
-	@INTROSPECTION_COMPILER@ $(INTROSPECTION_COMPILER_ARGS) -o $@ $^
-endif
-
 MOSTLYCLEANFILES = \
 	$(libgee_0_8_la_VALASOURCES:.vala=.c) \
 	libgee_0_8_la_vala.stamp \
diff -u --recursive libgee-0.20.0-vanilla/gee/Makefile.in libgee-0.20.0/gee/Makefile.in
--- libgee-0.20.0-vanilla/gee/Makefile.in	2018-01-07 20:42:52.830537630 -0500
+++ libgee-0.20.0/gee/Makefile.in	2018-01-07 20:44:18.433823516 -0500
@@ -297,14 +297,6 @@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
-INTROSPECTION_CFLAGS = @INTROSPECTION_CFLAGS@
-INTROSPECTION_COMPILER = @INTROSPECTION_COMPILER@
-INTROSPECTION_GENERATE = @INTROSPECTION_GENERATE@
-INTROSPECTION_GIRDIR = @INTROSPECTION_GIRDIR@
-INTROSPECTION_LIBS = @INTROSPECTION_LIBS@
-INTROSPECTION_MAKEFILE = @INTROSPECTION_MAKEFILE@
-INTROSPECTION_SCANNER = @INTROSPECTION_SCANNER@
-INTROSPECTION_TYPELIBDIR = @INTROSPECTION_TYPELIBDIR@
 LCOV = @LCOV@
 LD = @LD@
 LDFLAGS = @LDFLAGS@
@@ -544,25 +536,6 @@
 	gee-0.8.vapi \
 	$(NULL)
 
-@HAVE_INTROSPECTION_TRUE@girdir = @INTROSPECTION_GIRDIR@
-@HAVE_INTROSPECTION_TRUE@dist_gir_DATA = \
-@HAVE_INTROSPECTION_TRUE@	Gee-0.8.gir \
-@HAVE_INTROSPECTION_TRUE@	$(NULL)
-
-@HAVE_INTROSPECTION_TRUE@typelibdir = @INTROSPECTION_TYPELIBDIR@
-@HAVE_INTROSPECTION_TRUE@typelib_DATA = \
-@HAVE_INTROSPECTION_TRUE@	Gee-0.8.typelib \
-@HAVE_INTROSPECTION_TRUE@	$(NULL)
-
-
-# Extract dlname from libfolks.la; see bug #658002.
-# This is what g-ir-scanner does.
-@HAVE_INTROSPECTION_TRUE@libgee_dlname = \
-@HAVE_INTROSPECTION_TRUE@	`$(SED) -nE "s/^dlname='([A-Za-z0-9.+-]+)'/\1/p" libgee-0.8.la`
-
-@HAVE_INTROSPECTION_TRUE@INTROSPECTION_COMPILER_ARGS = \
-@HAVE_INTROSPECTION_TRUE@	-l $(libgee_dlname)
-
 MOSTLYCLEANFILES = \
 	$(libgee_0_8_la_VALASOURCES:.vala=.c) \
 	libgee_0_8_la_vala.stamp \
@@ -1621,9 +1594,6 @@
 
 $(libgee_0_8_la_VALASOURCES:.vala=.c): libgee_0_8_la_vala.stamp
 gee-0.8.vapi gee-internals-0.8.vapi gee.h gee-internals.h: libgee_0_8_la_vala.stamp
-@HAVE_INTROSPECTION_TRUE@Gee-0.8.gir: libgee_0_8_la_vala.stamp
-@HAVE_INTROSPECTION_TRUE@Gee-0.8.typelib: Gee-0.8.gir libgee-0.8.la
-@HAVE_INTROSPECTION_TRUE@	@INTROSPECTION_COMPILER@ $(INTROSPECTION_COMPILER_ARGS) -o $@ $^
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.