diff --git a/sumpy/codegen.py b/sumpy/codegen.py
index aa863766..f2c7b70f 100644
--- a/sumpy/codegen.py
+++ b/sumpy/codegen.py
@@ -600,7 +600,7 @@ def map_constant(self, expr: object, /) -> Expression:
 
         complex_dtype = self.complex_dtype
         if complex_dtype is None:
-            if complex(np.complex64(expr)) == expr:
+            if complex(np.complex64(expr)) == expr:  # noqa: RUF069
                 return np.complex64(expr)
 
             complex_dtype = np.complex128
diff --git a/sumpy/kernel.py b/sumpy/kernel.py
index c7a71f5c..c3c9981f 100644
--- a/sumpy/kernel.py
+++ b/sumpy/kernel.py
@@ -770,7 +770,7 @@ def __new__(cls,
                 viscosity_mu: float | str | SpatialConstant = "mu",
                 poisson_ratio: float | str | SpatialConstant = "nu",
         ) -> ElasticityKernel:
-        if poisson_ratio == 0.5:
+        if poisson_ratio == 0.5:  # noqa: RUF069
             return super().__new__(StokesletKernel)
         else:
             return super().__new__(cls)
@@ -896,7 +896,7 @@ def __init__(self,
         if poisson_ratio is None:
             poisson_ratio = 0.5
 
-        if poisson_ratio != 0.5:
+        if poisson_ratio != 0.5:  # noqa: RUF069
             raise ValueError(
                 "'StokesletKernel' must have a Poisson ratio of 0.5: "
                 f"got '{poisson_ratio}'")
diff --git a/sumpy/test/test_kernels.py b/sumpy/test/test_kernels.py
index 2167a56a..54468ffd 100644
--- a/sumpy/test/test_kernels.py
+++ b/sumpy/test/test_kernels.py
@@ -695,14 +695,14 @@ def test_m2m_and_l2l_exprs_simpler(base_knl, local_expn_class, mpole_expn_class,
             dvec, tgt_rscale, _fast_version=False)
 
     for expr1, expr2 in zip(faster_m2m, slower_m2m, strict=True):
-        assert float(sym.doit(expr1 - expr2).expand()) == 0.0
+        assert float(sym.doit(expr1 - expr2).expand()) == 0.0  # noqa: RUF069
 
     faster_l2l = local_expn.translate_from(local_expn, src_coeff_exprs, src_rscale,
             dvec, tgt_rscale)
     slower_l2l = local_expn.translate_from(local_expn, src_coeff_exprs, src_rscale,
             dvec, tgt_rscale, _fast_version=False)
     for expr1, expr2 in zip(faster_l2l, slower_l2l, strict=True):
-        assert float(sym.doit(expr1 - expr2).expand()) == 0.0
+        assert float(sym.doit(expr1 - expr2).expand()) == 0.0  # noqa: RUF069
 
 # }}}