diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/entities/ChangePhoneNumberRequest.java b/service/src/main/java/org/whispersystems/textsecuregcm/entities/ChangePhoneNumberRequest.java
deleted file mode 100644
index 88df907ee..000000000
--- a/service/src/main/java/org/whispersystems/textsecuregcm/entities/ChangePhoneNumberRequest.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright 2013-2021 Signal Messenger, LLC
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-package org.whispersystems.textsecuregcm.entities;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
-import com.fasterxml.jackson.databind.annotation.JsonSerialize;
-import io.swagger.v3.oas.annotations.media.Schema;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import javax.annotation.Nullable;
-import javax.validation.Valid;
-import javax.validation.constraints.AssertTrue;
-import javax.validation.constraints.NotBlank;
-import javax.validation.constraints.NotNull;
-import org.signal.libsignal.protocol.IdentityKey;
-import org.whispersystems.textsecuregcm.util.IdentityKeyAdapter;
-
-public record ChangePhoneNumberRequest(
-    @Schema(description="the new phone number for this account")
-    @NotBlank String number,
-
-    @Schema(description="the registration verification code to authenticate this request")
-    @NotBlank String code,
-
-    @Schema(description="the registration lock password for the new phone number, if necessary")
-    @JsonProperty("reglock") @Nullable String registrationLock,
-
-    @Schema(description="the new public identity key to use for the phone-number identity associated with the new phone number")
-    @JsonSerialize(using = IdentityKeyAdapter.Serializer.class)
-    @JsonDeserialize(using = IdentityKeyAdapter.Deserializer.class)
-    @Nullable IdentityKey pniIdentityKey,
-
-    @Schema(description="""
-        A list of synchronization messages to send to companion devices to supply the private keysManager
-        associated with the new identity key and their new prekeys.
-        Exactly one message must be supplied for each enabled device other than the sending (primary) device.""")
-    @Nullable List<IncomingMessage> deviceMessages,
-
-    @Schema(description="""
-        A new signed elliptic-curve prekey for each enabled device on the account, including this one.
-        Each must be accompanied by a valid signature from the new identity key in this request.""")
-    @Nullable Map<Long, ECSignedPreKey> devicePniSignedPrekeys,
-
-    @Schema(description="""
-        A new signed post-quantum last-resort prekey for each enabled device on the account, including this one.
-        May be absent, in which case the last resort PQ prekeys for each device will be deleted if any had been stored.
-        If present, must contain one prekey per enabled device including this one.
-        Prekeys for devices that did not previously have any post-quantum prekeys stored will be silently dropped.
-        Each must be accompanied by a valid signature from the new identity key in this request.""")
-    @Nullable @Valid Map<Long, @NotNull @Valid KEMSignedPreKey> devicePniPqLastResortPrekeys,
-
-    @Schema(description="the new phone-number-identity registration ID for each enabled device on the account, including this one")
-    @Nullable Map<Long, Integer> pniRegistrationIds) {
-
-  @AssertTrue
-  public boolean isSignatureValidOnEachSignedPreKey() {
-    List<SignedPreKey<?>> spks = new ArrayList<>();
-    if (devicePniSignedPrekeys != null) {
-      spks.addAll(devicePniSignedPrekeys.values());
-    }
-    if (devicePniPqLastResortPrekeys != null) {
-      spks.addAll(devicePniPqLastResortPrekeys.values());
-    }
-    return spks.isEmpty() || PreKeySignatureValidator.validatePreKeySignatures(pniIdentityKey, spks);
-  }
-
-}