diff --git a/include/ck/utility/data_type.hpp b/include/ck/utility/data_type.hpp
index 86bc3c394e..4d2b502b57 100644
--- a/include/ck/utility/data_type.hpp
+++ b/include/ck/utility/data_type.hpp
@@ -19,6 +19,8 @@ struct pk_i4_t
     type data;
     __host__ __device__ constexpr pk_i4_t() : data{type{}} {}
     __host__ __device__ constexpr pk_i4_t(type init) : data{init} {}
+
+    __host__ __device__ constexpr operator float() const { return static_cast<float>(data); }
 };
 
 inline constexpr auto next_pow2(uint32_t x)
diff --git a/profiler/src/profile_gemm_b_scale.cpp b/profiler/src/profile_gemm_b_scale.cpp
index 1992dadeb9..4c77dad380 100644
--- a/profiler/src/profile_gemm_b_scale.cpp
+++ b/profiler/src/profile_gemm_b_scale.cpp
@@ -105,8 +105,6 @@ int profile_gemm_b_scale(int argc, char* argv[])
 
     using F32  = float;
     using F16  = ck::half_t;
-    using BF16 = ck::bhalf_t;
-    using F8   = ck::f8_t;
     using I4   = ck::pk_i4_t;
 
     using Row = ck::tensor_layout::gemm::RowMajor;