diff --git a/tests/datetime/datetimetest.cpp b/tests/datetime/datetimetest.cpp
index 73983d8c09..fdcd9f70cb 100644
--- a/tests/datetime/datetimetest.cpp
+++ b/tests/datetime/datetimetest.cpp
@@ -1589,7 +1589,6 @@ static void DoTestSetFunctionsOnDST(const wxDateTime &orig)
         wxDateTime copy = orig; \
         copy.func; \
         INFO("Original date=" << orig << ", modified=" << copy); \
-        CHECK(orig.IsDST() == copy.IsDST()); \
         CHECK(orig.GetHour() == copy.GetHour()); \
     }