diff --git a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
index 9e1d87062..14f0c9415 100644
--- a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
+++ b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
@@ -39,10 +39,6 @@ template<> struct packet_traits<half> : default_packet_traits
     HasExp  = 1,
     HasSqrt = 1,
     HasRsqrt = 1,
-    HasLGamma = 1,
-    HasDiGamma = 1,
-    HasErf = 1,
-    HasErfc = 1,
 
     HasBlend = 0,
   };