diff --git a/api/candidate.cc b/api/candidate.cc
index 2b8eb3cbcc..9a35201f64 100644
--- a/api/candidate.cc
+++ b/api/candidate.cc
@@ -37,11 +37,6 @@ absl::string_view IceCandidateTypeToString(IceCandidateType type) {
 
 namespace cricket {
 
-ABSL_CONST_INIT const absl::string_view LOCAL_PORT_TYPE = "local";
-ABSL_CONST_INIT const absl::string_view STUN_PORT_TYPE = "stun";
-ABSL_CONST_INIT const absl::string_view PRFLX_PORT_TYPE = "prflx";
-ABSL_CONST_INIT const absl::string_view RELAY_PORT_TYPE = "relay";
-
 Candidate::Candidate()
     : id_(rtc::CreateRandomString(8)),
       component_(ICE_CANDIDATE_COMPONENT_DEFAULT),
diff --git a/api/candidate.h b/api/candidate.h
index 49a1298e37..5f6f7cdcdd 100644
--- a/api/candidate.h
+++ b/api/candidate.h
@@ -31,12 +31,16 @@ RTC_EXPORT absl::string_view IceCandidateTypeToString(IceCandidateType);
 
 namespace cricket {
 
-// TODO(tommi): These are temporarily here, moved from `port.h` and will
-// eventually be removed once we use enums instead of strings for these values.
-RTC_EXPORT extern const absl::string_view LOCAL_PORT_TYPE;
-RTC_EXPORT extern const absl::string_view STUN_PORT_TYPE;
-RTC_EXPORT extern const absl::string_view PRFLX_PORT_TYPE;
-RTC_EXPORT extern const absl::string_view RELAY_PORT_TYPE;
+// TODO(tommi): Remove. No usage in WebRTC now, remove once downstream projects
+// don't have reliance.
+[[deprecated("Use IceCandidateType")]] static constexpr char LOCAL_PORT_TYPE[] =
+    "local";
+[[deprecated("Use IceCandidateType")]] static constexpr char STUN_PORT_TYPE[] =
+    "stun";
+[[deprecated("Use IceCandidateType")]] static constexpr char PRFLX_PORT_TYPE[] =
+    "prflx";
+[[deprecated("Use IceCandidateType")]] static constexpr char RELAY_PORT_TYPE[] =
+    "relay";
 
 // TURN servers are limited to 32 in accordance with
 // https://w3c.github.io/webrtc-pc/#dom-rtcconfiguration-iceservers
diff --git a/p2p/base/port.cc b/p2p/base/port.cc
index 4393671a4e..4e31cf9461 100644
--- a/p2p/base/port.cc
+++ b/p2p/base/port.cc
@@ -89,17 +89,6 @@ absl::optional<ProtocolType> StringToProto(absl::string_view proto_name) {
   return absl::nullopt;
 }
 
-IceCandidateType PortTypeToIceCandidateType(const absl::string_view type) {
-  if (type == "host" || type == LOCAL_PORT_TYPE)
-    return IceCandidateType::kHost;
-  if (type == "srflx" || type == STUN_PORT_TYPE)
-    return IceCandidateType::kSrflx;
-  if (type == PRFLX_PORT_TYPE)
-    return IceCandidateType::kPrflx;
-  RTC_DCHECK_EQ(type, RELAY_PORT_TYPE);
-  return IceCandidateType::kRelay;
-}
-
 // RFC 6544, TCP candidate encoding rules.
 const int DISCARD_PORT = 9;
 const char TCPTYPE_ACTIVE_STR[] = "active";
diff --git a/p2p/base/port.h b/p2p/base/port.h
index 6705291eec..fade90a4d6 100644
--- a/p2p/base/port.h
+++ b/p2p/base/port.h
@@ -122,8 +122,6 @@ typedef std::vector<CandidateStats> CandidateStatsList;
 
 const char* ProtoToString(ProtocolType proto);
 absl::optional<ProtocolType> StringToProto(absl::string_view proto_name);
-webrtc::IceCandidateType PortTypeToIceCandidateType(
-    const absl::string_view type);
 
 struct ProtocolAddress {
   rtc::SocketAddress address;