diff --git a/source/common/common/regex.cc b/source/common/common/regex.cc
index deeef41aa12b..1f1aa4cc4a57 100644
--- a/source/common/common/regex.cc
+++ b/source/common/common/regex.cc
@@ -127,11 +127,6 @@ CompiledMatcherPtr Utility::parseRegex(const envoy::type::matcher::v3::RegexMatc
   return std::make_unique<CompiledGoogleReMatcher>(matcher);
 }
 
-CompiledMatcherPtr Utility::parseStdRegexAsCompiledMatcher(const std::string& regex,
-                                                           std::regex::flag_type flags) {
-  return std::make_unique<CompiledStdMatcher>(parseStdRegex(regex, flags));
-}
-
 std::regex Utility::parseStdRegex(const std::string& regex, std::regex::flag_type flags) {
   // TODO(zuercher): In the future, PGV (https://github.com/envoyproxy/protoc-gen-validate)
   // annotations may allow us to remove this in favor of direct validation of regular
diff --git a/source/common/common/regex.h b/source/common/common/regex.h
index 2fdcd52ebc1c..e360cab01b96 100644
--- a/source/common/common/regex.h
+++ b/source/common/common/regex.h
@@ -26,16 +26,6 @@ class Utility {
   static std::regex parseStdRegex(const std::string& regex,
                                   std::regex::flag_type flags = std::regex::optimize);
 
-  /**
-   * Construct an std::regex compiled regex matcher.
-   *
-   * TODO(mattklein123): In general this is only currently used in deprecated code paths and can be
-   * removed once all of those code paths are removed.
-   */
-  static CompiledMatcherPtr
-  parseStdRegexAsCompiledMatcher(const std::string& regex,
-                                 std::regex::flag_type flags = std::regex::optimize);
-
   /**
    * Construct a compiled regex matcher from a match config.
    */
diff --git a/test/common/common/regex_test.cc b/test/common/common/regex_test.cc
index 5d33d23bafbd..24cd3efc555d 100644
--- a/test/common/common/regex_test.cc
+++ b/test/common/common/regex_test.cc
@@ -17,9 +17,6 @@ TEST(Utility, ParseStdRegex) {
   EXPECT_THROW_WITH_REGEX(Utility::parseStdRegex("(+invalid)"), EnvoyException,
                           "Invalid regex '\\(\\+invalid\\)': .+");
 
-  EXPECT_THROW_WITH_REGEX(Utility::parseStdRegexAsCompiledMatcher("(+invalid)"), EnvoyException,
-                          "Invalid regex '\\(\\+invalid\\)': .+");
-
   {
     std::regex regex = Utility::parseStdRegex("x*");
     EXPECT_NE(0, regex.flags() & std::regex::optimize);
@@ -30,15 +27,6 @@ TEST(Utility, ParseStdRegex) {
     EXPECT_NE(0, regex.flags() & std::regex::icase);
     EXPECT_EQ(0, regex.flags() & std::regex::optimize);
   }
-
-  {
-    // Regression test to cover high-complexity regular expressions that throw on std::regex_match.
-    // Note that not all std::regex_match implementations will throw when matching against the
-    // expression below, but at least clang 9.0.0 under linux does.
-    auto matcher = Utility::parseStdRegexAsCompiledMatcher(
-        "|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||");
-    EXPECT_FALSE(matcher->match("0"));
-  }
 }
 
 TEST(Utility, ParseRegex) {