diff --git a/src/Makefile-tidy.am b/src/Makefile-tidy.am
index 91c9393d5..327a9e198 100644
--- a/src/Makefile-tidy.am
+++ b/src/Makefile-tidy.am
@@ -85,7 +85,7 @@ tidy-enum-types.c: stamp-tidy-enum-types.h tidy/tidy-enum-types.c.in
 	cp xgen-tetc tidy-enum-types.c && \
 	rm -f xgen-tetc
 
-lib_LTLIBRARIES = libtidy-1.0.la
+noinst_LTLIBRARIES = libtidy-1.0.la
 
 libtidy_1_0_la_LIBADD = $(TIDY_LIBS)
 libtidy_1_0_la_SOURCES = \
diff --git a/src/Makefile-tray.am b/src/Makefile-tray.am
index 647026a91..91be199f5 100644
--- a/src/Makefile-tray.am
+++ b/src/Makefile-tray.am
@@ -41,7 +41,7 @@ na-marshal.c: Makefile tray/na-marshal.list
 	cp -f xgen-tmc na-marshal.c && \
 	rm -f xgen-tmc
 
-lib_LTLIBRARIES += libtray.la
+noinst_LTLIBRARIES += libtray.la
 
 libtray_la_LIBADD = $(TRAY_LIBS)
 libtray_la_SOURCES =	\