diff --git a/include/units.h b/include/units.h
index c62921ba..6524a4e0 100644
--- a/include/units.h
+++ b/include/units.h
@@ -4554,7 +4554,6 @@ namespace units
 		}
 
 	}	// end namespace math
-	UNIT_ADD(length, square_meters_per_second, square_meters_per_second, m2ps, unit < std::ratio<1>, compound_unit<area::square_meters, inverse<time::second>>>);
 
 }	// end namespace units
 
diff --git a/unitTests/main.cpp b/unitTests/main.cpp
index 22622207..6511f31f 100644
--- a/unitTests/main.cpp
+++ b/unitTests/main.cpp
@@ -2914,6 +2914,7 @@ TEST_F(Constexpr, stdArray)
 {
 	constexpr std::array<meter_t, 5> arr = { 0_m, 1_m, 2_m, 3_m, 4_m };
 	constexpr bool equal = (arr[3] == 3_m);
+	EXPECT_TRUE(equal);
 }
 
 #endif