diff --git a/rtc_base/string_encode.cc b/rtc_base/string_encode.cc
index 136b853170..5129b24473 100644
--- a/rtc_base/string_encode.cc
+++ b/rtc_base/string_encode.cc
@@ -130,14 +130,6 @@ size_t hex_decode_with_delimiter(ArrayView<char> cbuffer,
   return bufpos;
 }
 
-size_t hex_decode_with_delimiter(char* buffer,
-                                 size_t buflen,
-                                 absl::string_view source,
-                                 char delimiter) {
-  return hex_decode_with_delimiter(ArrayView<char>(buffer, buflen), source,
-                                   delimiter);
-}
-
 size_t hex_decode(ArrayView<char> buffer, absl::string_view source) {
   return hex_decode_with_delimiter(buffer, source, 0);
 }
diff --git a/rtc_base/string_encode.h b/rtc_base/string_encode.h
index 190150599f..3ed034bbb4 100644
--- a/rtc_base/string_encode.h
+++ b/rtc_base/string_encode.h
@@ -42,10 +42,6 @@ size_t hex_decode(ArrayView<char> buffer, absl::string_view source);
 size_t hex_decode_with_delimiter(ArrayView<char> buffer,
                                  absl::string_view source,
                                  char delimiter);
-size_t hex_decode_with_delimiter(char* buffer,
-                                 size_t buflen,
-                                 absl::string_view source,
-                                 char delimiter);
 
 // Joins the source vector of strings into a single string, with each
 // field in source being separated by delimiter. No trailing delimiter is added.