diff --git a/poky/meta/lib/oeqa/sdk/case.py b/poky/meta/lib/oeqa/sdk/case.py
index ebb03af..c458826 100644
--- a/poky/meta/lib/oeqa/sdk/case.py
+++ b/poky/meta/lib/oeqa/sdk/case.py
@@ -26,7 +26,7 @@
                 return tarball
 
         tarball = os.path.join(workdir, archive)
-        subprocess.check_output(["wget", "-O", tarball, url])
+        subprocess.check_output(["wget", "-O", tarball, url], stderr=subprocess.STDOUT)
         return tarball
 
     def check_elf(self, path, target_os=None, target_arch=None):
diff --git a/poky/meta/lib/oeqa/sdk/cases/assimp.py b/poky/meta/lib/oeqa/sdk/cases/assimp.py
index f26b17f..f166758 100644
--- a/poky/meta/lib/oeqa/sdk/cases/assimp.py
+++ b/poky/meta/lib/oeqa/sdk/cases/assimp.py
@@ -30,7 +30,7 @@
             dirs["build"] = os.path.join(testdir, "build")
             dirs["install"] = os.path.join(testdir, "install")
 
-            subprocess.check_output(["tar", "xf", tarball, "-C", testdir])
+            subprocess.check_output(["tar", "xf", tarball, "-C", testdir], stderr=subprocess.STDOUT)
             self.assertTrue(os.path.isdir(dirs["source"]))
             os.makedirs(dirs["build"])
 
diff --git a/poky/meta/lib/oeqa/sdk/cases/buildcpio.py b/poky/meta/lib/oeqa/sdk/cases/buildcpio.py
index e565826..e7fc211 100644
--- a/poky/meta/lib/oeqa/sdk/cases/buildcpio.py
+++ b/poky/meta/lib/oeqa/sdk/cases/buildcpio.py
@@ -24,7 +24,7 @@
             dirs["build"] = os.path.join(testdir, "build")
             dirs["install"] = os.path.join(testdir, "install")
 
-            subprocess.check_output(["tar", "xf", tarball, "-C", testdir])
+            subprocess.check_output(["tar", "xf", tarball, "-C", testdir], stderr=subprocess.STDOUT)
             self.assertTrue(os.path.isdir(dirs["source"]))
             os.makedirs(dirs["build"])
 
diff --git a/poky/meta/lib/oeqa/sdk/cases/buildepoxy.py b/poky/meta/lib/oeqa/sdk/cases/buildepoxy.py
index 4211955..385f8cc 100644
--- a/poky/meta/lib/oeqa/sdk/cases/buildepoxy.py
+++ b/poky/meta/lib/oeqa/sdk/cases/buildepoxy.py
@@ -28,7 +28,7 @@
             dirs["build"] = os.path.join(testdir, "build")
             dirs["install"] = os.path.join(testdir, "install")
 
-            subprocess.check_output(["tar", "xf", tarball, "-C", testdir])
+            subprocess.check_output(["tar", "xf", tarball, "-C", testdir], stderr=subprocess.STDOUT)
             self.assertTrue(os.path.isdir(dirs["source"]))
             os.makedirs(dirs["build"])
 
diff --git a/poky/meta/lib/oeqa/sdk/cases/buildgalculator.py b/poky/meta/lib/oeqa/sdk/cases/buildgalculator.py
index 1121ed2..eb3c8dd 100644
--- a/poky/meta/lib/oeqa/sdk/cases/buildgalculator.py
+++ b/poky/meta/lib/oeqa/sdk/cases/buildgalculator.py
@@ -31,7 +31,7 @@
             dirs["build"] = os.path.join(testdir, "build")
             dirs["install"] = os.path.join(testdir, "install")
 
-            subprocess.check_output(["tar", "xf", tarball, "-C", testdir])
+            subprocess.check_output(["tar", "xf", tarball, "-C", testdir], stderr=subprocess.STDOUT)
             self.assertTrue(os.path.isdir(dirs["source"]))
             os.makedirs(dirs["build"])
 
diff --git a/poky/meta/lib/oeqa/sdk/cases/buildlzip.py b/poky/meta/lib/oeqa/sdk/cases/buildlzip.py
index 515acd2..49ae756 100644
--- a/poky/meta/lib/oeqa/sdk/cases/buildlzip.py
+++ b/poky/meta/lib/oeqa/sdk/cases/buildlzip.py
@@ -20,7 +20,7 @@
             dirs["build"] = os.path.join(testdir, "build")
             dirs["install"] = os.path.join(testdir, "install")
 
-            subprocess.check_output(["tar", "xf", tarball, "-C", testdir])
+            subprocess.check_output(["tar", "xf", tarball, "-C", testdir], stderr=subprocess.STDOUT)
             self.assertTrue(os.path.isdir(dirs["source"]))
             os.makedirs(dirs["build"])