1 files changed, 1 insertions, 3 deletions
diff --git a/src/utilities/utilities.hpp b/src/utilities/utilities.hpp
index e45c606c..b2949c27 100644
--- a/src/utilities/utilities.hpp
+++ b/src/utilities/utilities.hpp
@@ -31,15 +31,13 @@ namespace clblast {
 // =================================================================================================
 
 // Shorthands for half-precision
-using half = cl_half; // based on the OpenCL type, which is actually an 'unsigned short'
+using half = unsigned short; // the 'cl_half' OpenCL type is actually an 'unsigned short'
 
 // Shorthands for complex data-types
 using float2 = std::complex<float>;
 using double2 = std::complex<double>;
 
 // Khronos OpenCL extensions
-const std::string kKhronosHalfPrecision = "cl_khr_fp16";
-const std::string kKhronosDoublePrecision = "cl_khr_fp64";
 const std::string kKhronosAttributesAMD = "cl_amd_device_attribute_query";
 const std::string kKhronosAttributesNVIDIA = "cl_nv_device_attribute_query";