diff --git a/python/cuml/cuml/accel/_overrides/sklearn/preprocessing.py b/python/cuml/cuml/accel/_overrides/sklearn/preprocessing.py
index 24940a9e6f..389b9634dc 100644
--- a/python/cuml/cuml/accel/_overrides/sklearn/preprocessing.py
+++ b/python/cuml/cuml/accel/_overrides/sklearn/preprocessing.py
@@ -76,13 +76,13 @@ def _check_targetencoder_y(y):
 class TargetEncoder(ProxyBase):
     _gpu_class = cuml.preprocessing.TargetEncoder
 
-    def _gpu_fit(self, X, y, **kwargs):
+    def _gpu_fit(self, X, y):
         _check_targetencoder_y(y)
-        return self._gpu.fit(X, y, **kwargs)
+        return self._gpu.fit(X, y)
 
-    def _gpu_fit_transform(self, X, y, **kwargs):
+    def _gpu_fit_transform(self, X, y, **params):
         _check_targetencoder_y(y)
-        return self._gpu.fit_transform(X, y, **kwargs)
+        return self._gpu.fit_transform(X, y, **params)
 
     def _gpu_get_feature_names_out(self, input_features=None):
         """Return feature names for output features.
diff --git a/python/cuml/cuml_accel_tests/integration/test_svc.py b/python/cuml/cuml_accel_tests/integration/test_svc.py
index ca3de73381..4f7c480803 100644
--- a/python/cuml/cuml_accel_tests/integration/test_svc.py
+++ b/python/cuml/cuml_accel_tests/integration/test_svc.py
@@ -37,6 +37,12 @@ def test_svc(binary):
     assert svc.score(X, y) > 0.5
 
 
+@pytest.mark.filterwarnings(
+    "ignore:The `probability` parameter was deprecated:FutureWarning"
+)
+@pytest.mark.filterwarnings(
+    "ignore:Attribute `prob[AB]_` was deprecated:FutureWarning"
+)
 def test_svc_probability(binary):
     X, y = binary
     svc = SVC(probability=True).fit(X, y)
diff --git a/python/cuml/cuml_accel_tests/integration/test_tsvd.py b/python/cuml/cuml_accel_tests/integration/test_tsvd.py
index 3912d6c0e3..eb87d193a0 100644
--- a/python/cuml/cuml_accel_tests/integration/test_tsvd.py
+++ b/python/cuml/cuml_accel_tests/integration/test_tsvd.py
@@ -1,10 +1,12 @@
 #
-# SPDX-FileCopyrightText: Copyright (c) 2024-2025, NVIDIA CORPORATION.
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026, NVIDIA CORPORATION.
 # SPDX-License-Identifier: Apache-2.0
 #
 
 import numpy as np
 import pytest
+import sklearn
+from packaging.version import Version
 from scipy.sparse import csr_matrix
 from sklearn.datasets import make_classification
 from sklearn.decomposition import TruncatedSVD
@@ -100,11 +102,19 @@ def test_truncated_svd_tol(svd_data, tol):
 
 
 @pytest.mark.parametrize(
-    "power_iteration_normalizer", ["auto", "OR", "LU", "none"]
+    "power_iteration_normalizer", ["auto", "QR", "LU", "none"]
 )
 def test_truncated_svd_power_iteration_normalizer(
     svd_data, power_iteration_normalizer
 ):
+    if (
+        Version(sklearn.__version__) < Version("1.9.0.dev0")
+        and power_iteration_normalizer == "QR"
+    ):
+        pytest.skip(
+            "power_iteration_normalizer 'QR' is not supported in scikit-learn < 1.9.0"
+        )
+
     X, _ = svd_data
     svd = TruncatedSVD(
         n_components=10,
diff --git a/python/cuml/tests/test_sklearn_compatibility.py b/python/cuml/tests/test_sklearn_compatibility.py
index 58d8f50d7b..17a96f8c5d 100644
--- a/python/cuml/tests/test_sklearn_compatibility.py
+++ b/python/cuml/tests/test_sklearn_compatibility.py
@@ -208,7 +208,6 @@
     },
     KernelDensity: {
         "check_estimator_tags_renamed": "No support for modern tags infrastructure",
-        "check_all_zero_sample_weights_error": "KernelDensity does not validate all-zero sample weights",
     },
     EmpiricalCovariance: {
         "check_estimator_tags_renamed": "No support for modern tags infrastructure",
@@ -247,7 +246,6 @@
         "check_sample_weights_not_an_array": "sample_weight not implemented",
         "check_sample_weights_shape": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_dense_data": "sample_weight not implemented",
-        "check_all_zero_sample_weights_error": "sample_weight not implemented",
         "check_sample_weights_list": "sample_weight not implemented",
         "check_sample_weights_not_overwritten": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_sparse_data": "sample_weight not implemented",
@@ -260,7 +258,6 @@
         "check_sample_weights_not_an_array": "sample_weight not implemented",
         "check_sample_weights_shape": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_dense_data": "sample_weight not implemented",
-        "check_all_zero_sample_weights_error": "sample_weight not implemented",
         "check_sample_weights_list": "sample_weight not implemented",
         "check_sample_weights_not_overwritten": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_sparse_data": "sample_weight not implemented",
@@ -273,7 +270,6 @@
         "check_sample_weights_not_an_array": "sample_weight not implemented",
         "check_sample_weights_shape": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_dense_data": "sample_weight not implemented",
-        "check_all_zero_sample_weights_error": "sample_weight not implemented",
         "check_sample_weights_list": "sample_weight not implemented",
         "check_sample_weights_not_overwritten": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_sparse_data": "sample_weight not implemented",
@@ -286,7 +282,6 @@
         "check_sample_weights_not_an_array": "sample_weight not implemented",
         "check_sample_weights_shape": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_dense_data": "sample_weight not implemented",
-        "check_all_zero_sample_weights_error": "sample_weight not implemented",
         "check_sample_weights_list": "sample_weight not implemented",
         "check_sample_weights_not_overwritten": "sample_weight not implemented",
         "check_sample_weight_equivalence_on_sparse_data": "sample_weight not implemented",
diff --git a/python/cuml/tests/test_sklearn_import_export.py b/python/cuml/tests/test_sklearn_import_export.py
index e3ca75b356..c9a0d09319 100644
--- a/python/cuml/tests/test_sklearn_import_export.py
+++ b/python/cuml/tests/test_sklearn_import_export.py
@@ -379,6 +379,9 @@ def test_svr(random_state, sparse, kernel):
 @pytest.mark.filterwarnings(
     "ignore:The `probability` parameter was deprecated:FutureWarning"
 )
+@pytest.mark.filterwarnings(
+    "ignore:Attribute `prob[AB]_` was deprecated:FutureWarning"
+)
 @pytest.mark.parametrize("sparse", [False, True])
 @pytest.mark.parametrize("probability", [False, True])
 @pytest.mark.parametrize("kernel", ["rbf", "precomputed"])