diff --git a/lib/isc/unix/include/isc/time.h b/lib/isc/unix/include/isc/time.h
index b5a76f1755..2cf31fd3e5 100644
--- a/lib/isc/unix/include/isc/time.h
+++ b/lib/isc/unix/include/isc/time.h
@@ -2,7 +2,6 @@
 #ifndef ISC_TIME_H
 #define ISC_TIME_H 1
 
-#include <time.h>
 #include <isc/result.h>
 #include <isc/boolean.h>