diff --git i/libvaladoc/Makefile.am w/libvaladoc/Makefile.am
index 8dc398cf1..a5d8a45b4 100644
--- i/libvaladoc/Makefile.am
+++ w/libvaladoc/Makefile.am
@@ -176,9 +176,13 @@ endif
 libvaladoc@PACKAGE_SUFFIX@_la_SOURCES = \
 	libvaladoc.vala.stamp \
 	$(libvaladoc_la_VALASOURCES:.vala=.c) \
-	gvc-compat.c \
 	$(NULL)
 
+if ENABLE_GRAPHVIZ
+libvaladoc@PACKAGE_SUFFIX@_la_SOURCES += \
+	gvc-compat.c
+endif
+
 valadoc@PACKAGE_SUFFIX@.vapi valadoc.h: libvaladoc.vala.stamp
 libvaladoc.vala.stamp: $(libvaladoc_la_VALASOURCES)
 	$(VALA_V)$(VALAC) \