diff --git a/lib/units/device/resources/minicap.js b/lib/units/device/resources/minicap.js
index d5b36914..fbdc8abd 100644
--- a/lib/units/device/resources/minicap.js
+++ b/lib/units/device/resources/minicap.js
@@ -64,7 +64,7 @@ module.exports = syrup.serial()
     }
 
     function removeResource(res) {
-      return deviceClient.shell(options.serial, ['rm', '-f', res.dest])
+      return deviceClient.shell(['rm', '-f', res.dest])
         .timeout(10000)
         .then(function(out) {
           return streamutil.readAll(out)
@@ -73,7 +73,7 @@ module.exports = syrup.serial()
     }
 
     function pushResource(res) {
-      return deviceClient.push(options.serial, res.src, res.dest, res.mode)
+      return deviceClient.push(res.src, res.dest, res.mode)
         .timeout(10000)
         .then(function(transfer) {
           return new Promise(function(resolve, reject) {
@@ -88,7 +88,7 @@ module.exports = syrup.serial()
       log.info('Installing "%s" as "%s"', res.src, res.dest)
 
       function checkExecutable(res) {
-        return deviceClient.stat(options.serial, res.dest)
+        return deviceClient.stat(res.dest)
           .timeout(5000)
           .then(function(stats) {
             // Can't use fs.constants.S_IXUSR due to differences on Windows.
@@ -138,7 +138,7 @@ module.exports = syrup.serial()
           bin: resources.bin.dest
         , lib: resources.lib.dest
         , run: function(cmd) {
-            return deviceClient.shell(options.serial, util.format(
+            return deviceClient.shell(util.format(
               'LD_LIBRARY_PATH=%s exec %s %s'
             , path.dirname(resources.lib.dest)
             , resources.bin.dest