diff --git a/toolsrc/include/BuildInfo.h b/toolsrc/include/BuildInfo.h
index 7f64c51cc..ccf40abbf 100644
--- a/toolsrc/include/BuildInfo.h
+++ b/toolsrc/include/BuildInfo.h
@@ -46,8 +46,8 @@ namespace vcpkg
 
         const ConfigurationType& config() const;
         const LinkageType& linkage() const;
-        const std::regex crt_regex() const;
-        const std::string toString() const;
+        std::regex crt_regex() const;
+        std::string toString() const;
 
     private:
         BuildType(const ConfigurationType& config, const LinkageType& linkage, const std::string& crt_regex_as_string)
diff --git a/toolsrc/src/BuildInfo.cpp b/toolsrc/src/BuildInfo.cpp
index 8d46a0dba..44c7fdcf0 100644
--- a/toolsrc/src/BuildInfo.cpp
+++ b/toolsrc/src/BuildInfo.cpp
@@ -14,13 +14,13 @@ namespace vcpkg
         return this->m_linkage;
     }
 
-    const std::regex BuildType::crt_regex() const
+    std::regex BuildType::crt_regex() const
     {
         const std::regex r(this->m_crt_regex_as_string, std::regex_constants::icase);
         return r;
     }
 
-    const std::string BuildType::toString() const
+    std::string BuildType::toString() const
     {
         const std::string s = Strings::format("[%s,%s]", to_string(this->m_config), to_string(this->m_linkage));
         return s;