diff --git a/cpp/tests/mip/cuts_test.cu b/cpp/tests/mip/cuts_test.cu
index 7968d5513..c3d671954 100644
--- a/cpp/tests/mip/cuts_test.cu
+++ b/cpp/tests/mip/cuts_test.cu
@@ -1253,7 +1253,9 @@ TEST(cuts, clique_neos8_phase1_symmetry_and_degree_cache_consistency)
   }
 }
 
-TEST(cuts, clique_neos8_phase2_no_cut_off_optimal_solution_validation)
+// Disabled: hits time limit on ARM (L4) instead of Optimal.
+// https://github.com/NVIDIA/cuopt/issues/972
+TEST(cuts, DISABLED_clique_neos8_phase2_no_cut_off_optimal_solution_validation)
 {
   auto& no_cut_mip = get_neos8_optimal_solution_no_cuts_cached();
   ASSERT_EQ(no_cut_mip.status, mip_termination_status_t::Optimal);
@@ -1296,7 +1298,9 @@ TEST(cuts, clique_neos8_phase3_fractional_separation_must_cut_off)
   }
 }
 
-TEST(cuts, clique_neos8_phase4_fault_isolation_binary_search)
+// Disabled: depends on phase2 cached result which fails on ARM (L4).
+// https://github.com/NVIDIA/cuopt/issues/972
+TEST(cuts, DISABLED_clique_neos8_phase4_fault_isolation_binary_search)
 {
   auto& no_cut_mip = get_neos8_optimal_solution_no_cuts_cached();
   ASSERT_EQ(no_cut_mip.status, mip_termination_status_t::Optimal);
diff --git a/python/cuopt/cuopt/tests/linear_programming/test_python_API.py b/python/cuopt/cuopt/tests/linear_programming/test_python_API.py
index 0eca50ba9..467d714fe 100644
--- a/python/cuopt/cuopt/tests/linear_programming/test_python_API.py
+++ b/python/cuopt/cuopt/tests/linear_programming/test_python_API.py
@@ -512,7 +512,7 @@ def test_problem_update():
                 CUOPT_CUDSS_DETERMINISTIC: False,
             },
         ),
-        (
+        pytest.param(
             "mixed",
             {
                 CUOPT_FOLDING: 1,
@@ -520,6 +520,9 @@ def test_problem_update():
                 CUOPT_ORDERING: -1,
                 CUOPT_AUGMENTED: 1,
             },
+            marks=pytest.mark.skip(
+                reason="Barrier augmented-system numerical issue; re-enable when barrier initial-point fix is in the build"
+            ),
         ),
         (
             "folding_on",
@@ -557,11 +560,14 @@ def test_problem_update():
                 CUOPT_ORDERING: 0,
             },
         ),
-        (
+        pytest.param(
             "augmented_system",
             {
                 CUOPT_AUGMENTED: 1,
             },
+            marks=pytest.mark.skip(
+                reason="Barrier augmented-system numerical issue; re-enable when barrier initial-point fix is in the build"
+            ),
         ),
         (
             "adat_system",
@@ -615,13 +621,16 @@ def test_problem_update():
                 CUOPT_BARRIER_DUAL_INITIAL_POINT: 1,
             },
         ),
-        (
+        pytest.param(
             "combo3_with_dual_init",
             {
                 CUOPT_AUGMENTED: 1,
                 CUOPT_BARRIER_DUAL_INITIAL_POINT: 1,
                 CUOPT_ELIMINATE_DENSE_COLUMNS: True,
             },
+            marks=pytest.mark.skip(
+                reason="Barrier augmented-system numerical issue; re-enable when barrier initial-point fix is in the build"
+            ),
         ),
     ],
 )