diff --git a/service/config/sample.yml b/service/config/sample.yml
index 31509a126..6e64bf459 100644
--- a/service/config/sample.yml
+++ b/service/config/sample.yml
@@ -45,10 +45,6 @@ adminEventLoggingConfiguration:
     {
       "key": "value"
     }
-  secondaryCredentials: |
-    {
-      "key": "value"
-    }
   projectId: some-project-id
   logName: some-log-name
 
@@ -235,7 +231,6 @@ unidentifiedDelivery:
 recaptcha:
   projectPath: projects/example
   credentialConfigurationJson: "{ }" # service account configuration for backend authentication
-  secondaryCredentialConfigurationJson: "{ }" # service account configuration for backend authentication
 
 hCaptcha:
   apiKey: secret://hCaptcha.apiKey
@@ -400,10 +395,6 @@ registrationService:
     {
       "example": "example"
     }
-  secondaryCredentialConfigurationJson: |
-    {
-      "example": "example"
-    }
   identityTokenAudience: https://registration.example.com
   registrationCaCertificate: | # Registration service TLS certificate trust root
     -----BEGIN CERTIFICATE-----
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
index 67989fd7a..f7c276504 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
@@ -39,7 +39,6 @@ import java.time.Duration;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.List;
-import java.util.Optional;
 import java.util.ServiceLoader;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
@@ -116,7 +115,6 @@ import org.whispersystems.textsecuregcm.controllers.VerificationController;
 import org.whispersystems.textsecuregcm.currency.CoinMarketCapClient;
 import org.whispersystems.textsecuregcm.currency.CurrencyConversionManager;
 import org.whispersystems.textsecuregcm.currency.FixerClient;
-import org.whispersystems.textsecuregcm.grpc.ProfileGrpcService;
 import org.whispersystems.textsecuregcm.experiment.ExperimentEnrollmentManager;
 import org.whispersystems.textsecuregcm.filters.RemoteDeprecationFilter;
 import org.whispersystems.textsecuregcm.filters.RequestStatisticsFilter;
@@ -124,6 +122,7 @@ import org.whispersystems.textsecuregcm.filters.TimestampResponseFilter;
 import org.whispersystems.textsecuregcm.grpc.GrpcServerManagedWrapper;
 import org.whispersystems.textsecuregcm.grpc.KeysAnonymousGrpcService;
 import org.whispersystems.textsecuregcm.grpc.KeysGrpcService;
+import org.whispersystems.textsecuregcm.grpc.ProfileGrpcService;
 import org.whispersystems.textsecuregcm.grpc.UserAgentInterceptor;
 import org.whispersystems.textsecuregcm.limits.CardinalityEstimator;
 import org.whispersystems.textsecuregcm.limits.PushChallengeManager;
@@ -283,10 +282,6 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
 
     MetricsUtil.configureRegistries(config, environment);
 
-    final boolean useSecondaryCredentialsJson = Optional.ofNullable(
-            System.getenv("SIGNAL_USE_SECONDARY_CREDENTIALS_JSON"))
-        .isPresent();
-
     HeaderControlledResourceBundleLookup headerControlledResourceBundleLookup =
         new HeaderControlledResourceBundleLookup();
     ConfiguredProfileBadgeConverter profileBadgeConverter = new ConfiguredProfileBadgeConverter(
@@ -448,9 +443,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
     final AdminEventLogger adminEventLogger = new GoogleCloudAdminEventLogger(
         LoggingOptions.newBuilder().setProjectId(config.getAdminEventLoggingConfiguration().projectId())
             .setCredentials(GoogleCredentials.fromStream(new ByteArrayInputStream(
-                useSecondaryCredentialsJson
-                    ? config.getAdminEventLoggingConfiguration().secondaryCredentials().getBytes(StandardCharsets.UTF_8)
-                    : config.getAdminEventLoggingConfiguration().credentials().getBytes(StandardCharsets.UTF_8))))
+                config.getAdminEventLoggingConfiguration().credentials().getBytes(StandardCharsets.UTF_8))))
             .build().getService(),
         config.getAdminEventLoggingConfiguration().projectId(),
         config.getAdminEventLoggingConfiguration().logName());
@@ -489,9 +482,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
     RegistrationServiceClient registrationServiceClient = new RegistrationServiceClient(
         config.getRegistrationServiceConfiguration().host(),
         config.getRegistrationServiceConfiguration().port(),
-        useSecondaryCredentialsJson
-            ? config.getRegistrationServiceConfiguration().secondaryCredentialConfigurationJson()
-            : config.getRegistrationServiceConfiguration().credentialConfigurationJson(),
+        config.getRegistrationServiceConfiguration().credentialConfigurationJson(),
         config.getRegistrationServiceConfiguration().identityTokenAudience(),
         config.getRegistrationServiceConfiguration().registrationCaCertificate(),
         registrationCallbackExecutor);
@@ -574,9 +565,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
 
     RecaptchaClient recaptchaClient = new RecaptchaClient(
         config.getRecaptchaConfiguration().projectPath(),
-        useSecondaryCredentialsJson
-            ? config.getRecaptchaConfiguration().secondaryCredentialConfigurationJson()
-            : config.getRecaptchaConfiguration().credentialConfigurationJson(),
+        config.getRecaptchaConfiguration().credentialConfigurationJson(),
         dynamicConfigurationManager);
     HttpClient hcaptchaHttpClient = HttpClient.newBuilder().version(HttpClient.Version.HTTP_2)
         .connectTimeout(Duration.ofSeconds(10)).build();
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/AdminEventLoggingConfiguration.java b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/AdminEventLoggingConfiguration.java
index 865043a59..7a13fa971 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/AdminEventLoggingConfiguration.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/AdminEventLoggingConfiguration.java
@@ -10,7 +10,6 @@ import javax.validation.constraints.NotEmpty;
 
 public record AdminEventLoggingConfiguration(
     @NotBlank String credentials,
-    @NotBlank String secondaryCredentials,
     @NotEmpty String projectId,
     @NotEmpty String logName) {
 }
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RecaptchaConfiguration.java b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RecaptchaConfiguration.java
index 858329234..948fee148 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RecaptchaConfiguration.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RecaptchaConfiguration.java
@@ -7,7 +7,6 @@ package org.whispersystems.textsecuregcm.configuration;
 
 import javax.validation.constraints.NotEmpty;
 
-public record RecaptchaConfiguration(@NotEmpty String projectPath, @NotEmpty String credentialConfigurationJson,
-                                     @NotEmpty String secondaryCredentialConfigurationJson) {
+public record RecaptchaConfiguration(@NotEmpty String projectPath, @NotEmpty String credentialConfigurationJson) {
 
 }
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RegistrationServiceConfiguration.java b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RegistrationServiceConfiguration.java
index bf5247e04..cb50f6f2d 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RegistrationServiceConfiguration.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/configuration/RegistrationServiceConfiguration.java
@@ -5,7 +5,6 @@ import javax.validation.constraints.NotBlank;
 public record RegistrationServiceConfiguration(@NotBlank String host,
                                                int port,
                                                @NotBlank String credentialConfigurationJson,
-                                               @NotBlank String secondaryCredentialConfigurationJson,
                                                @NotBlank String identityTokenAudience,
                                                @NotBlank String registrationCaCertificate) {
 }