diff --git a/common/fake_test_node/test/test_fake_test_node.cpp b/common/fake_test_node/test/test_fake_test_node.cpp
index 163bd761407c5..77e9294cb48c2 100644
--- a/common/fake_test_node/test/test_fake_test_node.cpp
+++ b/common/fake_test_node/test/test_fake_test_node.cpp
@@ -96,9 +96,7 @@ TEST_F(FakeNodeFixture, Test)
 }
 
 INSTANTIATE_TEST_SUITE_P(
-  FakeNodeFixtureTests, FakeNodeFixtureParametrized,
-  // cppcheck-suppress syntaxError  // cppcheck doesn't like the trailing comma.
-  ::testing::Values(-5, 0, 42));
+  FakeNodeFixtureTests, FakeNodeFixtureParametrized, ::testing::Values(-5, 0, 42));
 
 /// @test Test that we can use a parametrized test.
 TEST_P(FakeNodeFixtureParametrized, Test)
diff --git a/common/osqp_interface/test/test_osqp_interface.cpp b/common/osqp_interface/test/test_osqp_interface.cpp
index caa89c79d08ea..4644ec6c3e019 100644
--- a/common/osqp_interface/test/test_osqp_interface.cpp
+++ b/common/osqp_interface/test/test_osqp_interface.cpp
@@ -37,7 +37,6 @@ namespace
 // y = [-2.9, 0.0, 0.2, 0.0]`
 // obj = 1.88
 
-// cppcheck-suppress syntaxError
 TEST(TestOsqpInterface, BasicQp)
 {
   using autoware::common::osqp::calCSCMatrix;
diff --git a/common/qp_interface/test/test_osqp_interface.cpp b/common/qp_interface/test/test_osqp_interface.cpp
index e5d7041469289..5ce1f0eb064a1 100644
--- a/common/qp_interface/test/test_osqp_interface.cpp
+++ b/common/qp_interface/test/test_osqp_interface.cpp
@@ -37,7 +37,6 @@ namespace
 // y = [-2.9, 0.0, 0.2, 0.0]`
 // obj = 1.88
 
-// cppcheck-suppress syntaxError
 TEST(TestOsqpInterface, BasicQp)
 {
   using qp::calCSCMatrix;
diff --git a/common/qp_interface/test/test_proxqp_interface.cpp b/common/qp_interface/test/test_proxqp_interface.cpp
index 96466665d5172..c28678e5c872a 100644
--- a/common/qp_interface/test/test_proxqp_interface.cpp
+++ b/common/qp_interface/test/test_proxqp_interface.cpp
@@ -38,7 +38,6 @@ namespace
 // y = [-2.9, 0.0, 0.2, 0.0]`
 // obj = 1.88
 
-// cppcheck-suppress syntaxError
 TEST(TestProxqpInterface, BasicQp)
 {
   auto check_result = [](const auto & solution) {