diff --git a/amr-wind/core/vs/tensorI.H b/amr-wind/core/vs/tensorI.H
index b8780720d0..75d95598c0 100644
--- a/amr-wind/core/vs/tensorI.H
+++ b/amr-wind/core/vs/tensorI.H
@@ -153,6 +153,7 @@ operator&&(const TensorT<T>& t1, const TensorT<T>& t2)
 template <typename T>
 AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE T mag_sqr(const TensorT<T>& t)
 {
+    // cppcheck-suppress duplicateExpression
     return (t && t);
 }
 
diff --git a/unit_tests/core/test_simtime.cpp b/unit_tests/core/test_simtime.cpp
index 70c8d5e064..9f76bf1c2b 100644
--- a/unit_tests/core/test_simtime.cpp
+++ b/unit_tests/core/test_simtime.cpp
@@ -57,6 +57,7 @@ TEST_F(SimTimeTest, init)
     // Check that the timestep growth is not greater than 10% of the last
     // timestep
     time.set_current_cfl(cur_cfl * 0.5, 0.0, 0.0);
+    // cppcheck-suppress unreadVariable
     EXPECT_NEAR(time.deltaT(), 1.1 * first_dt, tol);
 }
 
@@ -84,6 +85,7 @@ TEST_F(SimTimeTest, time_loop)
     EXPECT_EQ(regrid_counter, 1);
 
     EXPECT_TRUE(time.write_last_checkpoint());
+    // cppcheck-suppress unreadVariable
     EXPECT_FALSE(time.write_last_plot_file());
 }
 
@@ -115,6 +117,7 @@ TEST_F(SimTimeTest, fixed_dt_loop)
     EXPECT_EQ(regrid_counter, 3);
 
     EXPECT_FALSE(time.write_last_checkpoint());
+    // cppcheck-suppress unreadVariable
     EXPECT_FALSE(time.write_last_plot_file());
 }
 
diff --git a/unit_tests/core/vs/test_vspace.cpp b/unit_tests/core/vs/test_vspace.cpp
index c347b8f835..54176f7603 100644
--- a/unit_tests/core/vs/test_vspace.cpp
+++ b/unit_tests/core/vs/test_vspace.cpp
@@ -156,6 +156,7 @@ TEST(VectorSpace, vector_create)
 
     EXPECT_NEAR(v1.x(), v6.x(), tol);
     EXPECT_NEAR(v1.y(), v6.y(), tol);
+    // cppcheck-suppress unreadVariable
     EXPECT_NEAR(v1.z(), v6.z(), tol);
 
     test_vector_create_impl();
@@ -178,7 +179,7 @@ TEST(VectorSpace, vector_ops)
 
     EXPECT_NEAR((v1 & v2), 50.0 * v21, tol);
     EXPECT_NEAR((v1 & vs::Vector::khat()), 0.0, tol);
-
+    // cppcheck-suppress unreadVariable
     EXPECT_NEAR(vs::mag_sqr((v1 + v2) - vs::Vector{11.0, 22.0, 0.0}), 0.0, tol);
 }