diff --git a/src/cmd/cmd.cpp b/src/cmd/cmd.cpp
index ac0a7051e7..ca54a34275 100644
--- a/src/cmd/cmd.cpp
+++ b/src/cmd/cmd.cpp
@@ -508,8 +508,6 @@ restart_sync:
     SyncOptions opt;
     opt.fillFromEnvironmentVariables();
     opt.verifyChunkSizes();
-    opt._deltaSyncEnabled = false;
-    opt._deltaSyncMinFileSize = false;
     SyncEngine engine(account, options.source_dir, folder, &db);
     engine.setIgnoreHiddenFiles(options.ignoreHiddenFiles);
     engine.setNetworkLimits(options.uplimit, options.downlimit);
diff --git a/src/gui/folder.cpp b/src/gui/folder.cpp
index 814f83f821..cbb192b01d 100644
--- a/src/gui/folder.cpp
+++ b/src/gui/folder.cpp
@@ -881,9 +881,6 @@ void Folder::setSyncOptions()
     opt._maxChunkSize = cfgFile.maxChunkSize();
     opt._targetChunkUploadDuration = cfgFile.targetChunkUploadDuration();
 
-    opt._deltaSyncEnabled = false;
-    opt._deltaSyncMinFileSize = false;
-
     opt.fillFromEnvironmentVariables();
     opt.verifyChunkSizes();
 
diff --git a/src/libsync/syncoptions.h b/src/libsync/syncoptions.h
index 57d1969baa..7dff264f06 100644
--- a/src/libsync/syncoptions.h
+++ b/src/libsync/syncoptions.h
@@ -67,12 +67,6 @@ struct OWNCLOUDSYNC_EXPORT SyncOptions
     /** The maximum number of active jobs in parallel  */
     int _parallelNetworkJobs = 6;
 
-    /** Whether delta-synchronization is enabled */
-    bool _deltaSyncEnabled = false;
-
-    /** What the minimum file size (in Bytes) is for delta-synchronization */
-    qint64 _deltaSyncMinFileSize = 0;
-
     /** Reads settings from env vars where available.
      *
      * Currently reads _initialChunkSize, _minChunkSize, _maxChunkSize,