diff --git a/tests/tools/libkcov/main.py b/tests/tools/libkcov/main.py
index 5a619d1b..0eeedd41 100644
--- a/tests/tools/libkcov/main.py
+++ b/tests/tools/libkcov/main.py
@@ -113,10 +113,12 @@ def addTests(config, args, patterns):
             if not args.no_ptrace:
                 test_loader.add_tests_from_module("test_system_mode")
 
-    test_loader.add_tests_from_module("test_accumulate")
+    if not args.no_ptrace:
+        test_loader.add_tests_from_module("test_accumulate")
     test_loader.add_tests_from_module("test_bash")
     test_loader.add_tests_from_module("test_filter")
-    test_loader.add_tests_from_module("test_python")
+    if not args.no_ptrace:
+        test_loader.add_tests_from_module("test_python")
 
     return test_loader.tests
 
diff --git a/tests/tools/test_basic.py b/tests/tools/test_basic.py
index 064020aa..dbc2ef5e 100644
--- a/tests/tools/test_basic.py
+++ b/tests/tools/test_basic.py
@@ -33,15 +33,3 @@ def runTest(self):
         dom = cobertura.parseFile(self.outbase + "/kcov/main/cobertura.xml")
         assert cobertura.hitsPerLine(dom, "second.py", 34) == 2
         assert noKcovRv, rv
-
-
-# Issue #414
-class outdir_is_executable(libkcov.TestCase):
-    def runTest(self):
-        # Running a system executable on Linux may cause ptrace to fails with
-        # "Operation not permitted", even with ptrace_scope set to 0.
-        # See https://www.kernel.org/doc/Documentation/security/Yama.txt
-        executable = self.sources + "/tests/python/short-test.py"
-        rv, o = self.do(self.kcov + " echo " + executable)
-
-        assert rv == 0
diff --git a/tests/tools/test_compiled.py b/tests/tools/test_compiled.py
index 3006c349..b8ee7262 100644
--- a/tests/tools/test_compiled.py
+++ b/tests/tools/test_compiled.py
@@ -572,3 +572,15 @@ def runTest(self):
 
         assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 22) == 0
         assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 25) == 0
+
+
+# Issue #414
+class outdir_is_executable(libkcov.TestCase):
+    def runTest(self):
+        # Running a system executable on Linux may cause ptrace to fails with
+        # "Operation not permitted", even with ptrace_scope set to 0.
+        # See https://www.kernel.org/doc/Documentation/security/Yama.txt
+        executable = self.sources + "/tests/python/short-test.py"
+        rv, o = self.do(self.kcov + " echo " + executable)
+
+        assert rv == 0