diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
index e1e11aa5d..ee7f6d2ca 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
@@ -395,8 +395,8 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
     ExecutorService          keyspaceNotificationDispatchExecutor = environment.lifecycle().executorService(name(getClass(), "keyspaceNotification-%d")).maxThreads(16).workQueue(keyspaceNotificationDispatchQueue).build();
     ExecutorService          apnSenderExecutor                    = environment.lifecycle().executorService(name(getClass(), "apnSender-%d")).maxThreads(1).minThreads(1).build();
     ExecutorService          gcmSenderExecutor                    = environment.lifecycle().executorService(name(getClass(), "gcmSender-%d")).maxThreads(1).minThreads(1).build();
-    ExecutorService          backupServiceExecutor                = environment.lifecycle().executorService(name(getClass(), "backupService-%d")).maxThreads(8).minThreads(1).build();
-    ExecutorService          storageServiceExecutor               = environment.lifecycle().executorService(name(getClass(), "storageService-%d")).maxThreads(8).minThreads(1).build();
+    ExecutorService          backupServiceExecutor                = environment.lifecycle().executorService(name(getClass(), "backupService-%d")).maxThreads(1).minThreads(1).build();
+    ExecutorService          storageServiceExecutor               = environment.lifecycle().executorService(name(getClass(), "storageService-%d")).maxThreads(1).minThreads(1).build();
     ExecutorService          torExitNodeExecutor                  = environment.lifecycle().executorService(name(getClass(), "torExitNode-%d")).maxThreads(1).minThreads(1).build();
     ExecutorService          donationExecutor                     = environment.lifecycle().executorService(name(getClass(), "donation-%d")).maxThreads(1).minThreads(1).build();