diff --git a/experimental/builder/include/ck_tile/builder/conv_builder.hpp b/experimental/builder/include/ck_tile/builder/conv_builder.hpp
index a6d7f5a12b..ab82deea9b 100644
--- a/experimental/builder/include/ck_tile/builder/conv_builder.hpp
+++ b/experimental/builder/include/ck_tile/builder/conv_builder.hpp
@@ -3,7 +3,6 @@
 #include <concepts>
 #include <type_traits>
 
-#include "conv_builder_reference.hpp"
 #include <ck_tile/builder/conv_algorithm.hpp>
 #include <ck_tile/builder/conv_factory.hpp>
 #include <ck_tile/builder/conv_signature.hpp>
@@ -23,7 +22,7 @@ namespace ck_tile::builder {
  * @tparam ALGORITHM The specific convolution algorithm to be used for the implementation.
  * @tparam VERSION The version of the builder implementation.
  */
-template <ConvSignature auto SIGNATURE, ConvAlgorithm auto ALGORITHM, auto VERSION>
+template <ConvSignature auto SIGNATURE, ConvAlgorithm auto ALGORITHM, StringLiteral VERSION>
     requires SupportedVersion<VERSION>
 struct ConvBuilder
 {
diff --git a/experimental/builder/include/ck_tile/builder/versions.h b/experimental/builder/include/ck_tile/builder/versions.h
index 5e362209e7..c14003502c 100644
--- a/experimental/builder/include/ck_tile/builder/versions.h
+++ b/experimental/builder/include/ck_tile/builder/versions.h
@@ -3,13 +3,14 @@
 #include <concepts>
 #include <string_view>
 
+#include <ck_tile/builder/builder_utils.hpp>
+
 namespace ck_tile::builder {
 
-static constexpr char V0_0_0[] = "0.0.0";
-static constexpr char V0_1_0[] = "0.1.0";
+static constexpr StringLiteral V0_0_0 = "0.0.0";
+static constexpr StringLiteral V0_1_0 = "0.1.0";
 
-template <const char* V>
-concept SupportedVersion = (std::string_view{V} == std::string_view{V0_0_0}) ||
-                           (std::string_view{V} == std::string_view{V0_1_0});
+template <StringLiteral V>
+concept SupportedVersion = (V == V0_0_0) || (V == V0_1_0);
 
 } // namespace ck_tile::builder
diff --git a/experimental/builder/test/test_conv_builder.cpp b/experimental/builder/test/test_conv_builder.cpp
index 4561207011..7a7310d738 100644
--- a/experimental/builder/test/test_conv_builder.cpp
+++ b/experimental/builder/test/test_conv_builder.cpp
@@ -20,7 +20,8 @@ struct DefaultFwdConvAlgorithm
 };
 static_assert(ckb::ConvAlgorithm<DefaultFwdConvAlgorithm>);
 
-static constexpr char API_VERSION[] = "0.1.0";
+constexpr char API_VERSION[] = "0.1.0";
+static_assert(ckb::SupportedVersion<API_VERSION>);
 
 TEST(ConvBuilderTest, TestDefaultInstance)
 {
diff --git a/experimental/builder/test/test_conv_instances.cpp b/experimental/builder/test/test_conv_instances.cpp
index 95f8899bad..67dfefd2df 100644
--- a/experimental/builder/test/test_conv_instances.cpp
+++ b/experimental/builder/test/test_conv_instances.cpp
@@ -14,7 +14,8 @@ struct FwdConvSignature
 };
 static_assert(ckb::ConvSignature<FwdConvSignature>);
 
-static constexpr char API_VERSION[] = "0.1.0";
+constexpr char API_VERSION[] = "0.1.0";
+static_assert(ckb::SupportedVersion<API_VERSION>);
 
 struct FwdConvAlgorithm
 {