diff --git a/scripts/self_test.py b/scripts/self_test.py
index 545580a0d68be4e386c3097cc2e11d8d8562eb13..2be585882b1dd4b322a9fd64aaae02d86159e5d6 100755
--- a/scripts/self_test.py
+++ b/scripts/self_test.py
@@ -992,10 +992,6 @@ class SelfTest(IvasScriptsCommon.IvasScript):
                 suffix = "nws"
 
             proc_cmd[0] = os.path.join(TOOLS_DIR, proc_cmd[0])
-            if suffix == "nws" and TOOLS_DIR == TOOLS_DIR_LINUX:
-                # use wine
-                proc_cmd[0] = os.path.join(TOOLS_DIR_WIN, "networkSimulator_g192.exe")
-                proc_cmd = ["wine"] + proc_cmd
 
             proc_cmd = [
                 "{in_file}" if x == in_file else self.test_for_file(x) for x in proc_cmd