diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequest.java b/service/src/main/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequest.java
index 34314f285..475a8aed6 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequest.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequest.java
@@ -11,8 +11,7 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
 @JsonSubTypes({
     @JsonSubTypes.Type(value = AnswerPushChallengeRequest.class, name = "rateLimitPushChallenge"),
-    @JsonSubTypes.Type(value = AnswerCaptchaChallengeRequest.class, name = "captcha"),
-    @JsonSubTypes.Type(value = AnswerCaptchaChallengeRequest.class, name = "recaptcha")
+    @JsonSubTypes.Type(value = AnswerCaptchaChallengeRequest.class, name = "captcha")
 })
 public abstract class AnswerChallengeRequest {
 }
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/limits/RateLimitChallengeOptionManager.java b/service/src/main/java/org/whispersystems/textsecuregcm/limits/RateLimitChallengeOptionManager.java
index b7582ed96..d3586a560 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/limits/RateLimitChallengeOptionManager.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/limits/RateLimitChallengeOptionManager.java
@@ -13,7 +13,7 @@ public class RateLimitChallengeOptionManager {
 
   private final RateLimiters rateLimiters;
 
-  public static final String OPTION_CAPTCHA = "recaptcha";
+  public static final String OPTION_CAPTCHA = "captcha";
   public static final String OPTION_PUSH_CHALLENGE = "pushChallenge";
 
   public RateLimitChallengeOptionManager(final RateLimiters rateLimiters) {
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequestTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequestTest.java
index b411a3f99..331731400 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequestTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/entities/AnswerChallengeRequestTest.java
@@ -18,7 +18,7 @@ import org.whispersystems.textsecuregcm.util.SystemMapper;
 class AnswerChallengeRequestTest {
 
   @ParameterizedTest
-  @ValueSource(strings = {"captcha", "recaptcha"})
+  @ValueSource(strings = {"captcha"})
   void parse(final String type) throws JsonProcessingException {
     {
       final String pushChallengeJson = """