diff --git a/test/test_icuutil.cpp b/test/test_icuutil.cpp
index 3103d3c6..c8c667d1 100644
--- a/test/test_icuutil.cpp
+++ b/test/test_icuutil.cpp
@@ -16,11 +16,11 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "pair_out.h"
 #include <scope/test.h>
 
 #include "rangeset.h"
 #include "icuutil.h"
-#include "pair_out.h"
 
 #include <unicode/uset.h>
 #include <memory>
diff --git a/test/test_parseutil.cpp b/test/test_parseutil.cpp
index 432307be..b3e90b4f 100644
--- a/test/test_parseutil.cpp
+++ b/test/test_parseutil.cpp
@@ -16,13 +16,13 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "pair_out.h"
 #include <scope/test.h>
 
 #include <sstream>
 
 #include "basic.h"
 #include "parseutil.h"
-#include "pair_out.h"
 
 SCOPE_TEST(parseHexCharTest) {
   // good
diff --git a/test/test_unicode.cpp b/test/test_unicode.cpp
index e95a4466..995ab801 100644
--- a/test/test_unicode.cpp
+++ b/test/test_unicode.cpp
@@ -24,6 +24,7 @@
 #include <iomanip>
 #include <iostream>
 #include <type_traits>
+#include <vector>
 
 #include "basic.h"
 #include "unicode.h"