diff --git a/include/poac/util.hpp b/include/poac/util.hpp
index a69b74884..99fd6f3b5 100644
--- a/include/poac/util.hpp
+++ b/include/poac/util.hpp
@@ -12,49 +12,4 @@
 #include <poac/util/types.hpp>
 #include <poac/util/vcs.hpp>
 
-#include <cstdlib>
-#include <string_view>
-
-namespace poac::util {
-
-constexpr bool
-is_digit(const char& c) noexcept {
-    return '0' <= c && c <= '9';
-}
-
-constexpr bool
-is_alphabet(const char& c) noexcept {
-    return ('A' <= c && c <= 'Z')
-           || ('a' <= c && c <= 'z');
-}
-
-constexpr bool
-is_alpha_numeric(const char& c) noexcept {
-    return is_digit(c) || is_alphabet(c);
-}
-
-/// Check the base requirements for a package name.
-///
-/// This can be used for other things than package names, to enforce some
-/// level of sanity. Note that package names have other restrictions
-/// elsewhere. `poac new` has a few restrictions, such as checking for
-/// reserved names. poac.pm has even more restrictions.
-void
-validate_package_name(std::string_view name, std::string_view what, std::string_view help) {
-    for (const auto& c : name) {
-        if (!is_alpha_numeric(c) && c != '_' && c != '-') {
-            throw core::except::error(
-                "Invalid character `", c, "` in ", what, ": `", name, "`", help);
-        }
-    }
-}
-
-/// Whether or not this running in a Continuous Integration environment.
-bool
-is_ci() {
-    return (std::getenv("CI") != nullptr) || (std::getenv("TF_BUILD") != nullptr);
-}
-
-} // namespace poac::util
-
 #endif // !POAC_UTIL_HPP