diff --git a/others/Makefile.am b/others/Makefile.am
index 99d41321..87f510cd 100644
--- a/others/Makefile.am
+++ b/others/Makefile.am
@@ -5,7 +5,7 @@ libinjection_la_SOURCES = \
     libinjection/src/libinjection_sqli.c \
     libinjection/src/libinjection_xss.c
 
-pkginclude_HEADERS = libinjection/src/libinjection.h \
+noinst_HEADERS = libinjection/src/libinjection.h \
        libinjection/src/libinjection_html5.h \
        libinjection/src/libinjection_sqli.h \
        libinjection/src/libinjection_sqli_data.h \
diff --git a/src/Makefile.am b/src/Makefile.am
index cb74c950..671e3644 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -41,7 +41,16 @@ pkginclude_HEADERS = \
 	../headers/modsecurity/modsecurity.h \
 	../headers/modsecurity/rule.h \
 	../headers/modsecurity/rules.h \
-	../headers/modsecurity/rules_properties.h \
+	../headers/modsecurity/rules_properties.h
+
+
+libmodsecurity_includesub_HEADERS = \
+	../headers/modsecurity/collection/collection.h \
+	../headers/modsecurity/collection/collections.h \
+	../headers/modsecurity/collection/variable.h
+
+
+noinst_HEADERS = \
 	actions/*.h \
 	actions/transformations/*.h \
 	audit_log/*.h \
@@ -57,14 +66,6 @@ pkginclude_HEADERS = \
 	*.h
 
 
-libmodsecurity_includesub_HEADERS = \
-	../headers/modsecurity/collection/collection.h \
-	../headers/modsecurity/collection/collections.h \
-	../headers/modsecurity/collection/variable.h
-
-
-
-
 VARIABLES = \
 	variables/duration.cc \
 	variables/env.cc \
diff --git a/test/Makefile.am b/test/Makefile.am
index eed2ca9d..9b0eb91e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -28,7 +28,7 @@ unit_tests_SOURCES = \
         unit/unit.cc \
         unit/unit_test.cc
 
-pkginclude_HEADERS = \
+noinst_HEADERS = \
        common/modsecurity_test.cc \
        common/*.h \
        unit/*.h \