diff --git a/sumpy/expansion/__init__.py b/sumpy/expansion/__init__.py
index b82be282948613f0e5f94a26a7ad8c201d4e45f5..8bfb85e9670375a352a3ee48255b1ddc5a9e1f1b 100644
--- a/sumpy/expansion/__init__.py
+++ b/sumpy/expansion/__init__.py
@@ -639,9 +639,37 @@ class LinearPDEConformingVolumeTaylorExpansion(VolumeTaylorExpansionBase):
         self.expansion_terms_wrangler_key = (order, kernel.dim, kernel)
 
 
-LaplaceConformingVolumeTaylorExpansion = LinearPDEConformingVolumeTaylorExpansion
-HelmholtzConformingVolumeTaylorExpansion = LinearPDEConformingVolumeTaylorExpansion
-BiharmonicConformingVolumeTaylorExpansion = LinearPDEConformingVolumeTaylorExpansion
+class LaplaceConformingVolumeTaylorExpansion(
+        LinearPDEConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("LaplaceConformingVolumeTaylorExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class HelmholtzConformingVolumeTaylorExpansion(
+        LinearPDEConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("HelmholtzConformingVolumeTaylorExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class BiharmonicConformingVolumeTaylorExpansion(
+        LinearPDEConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("BiharmonicConformingVolumeTaylorExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
 
 # }}}
 
diff --git a/sumpy/expansion/local.py b/sumpy/expansion/local.py
index 59c945ab019cf856048269fb398e9ea9d8099991..726a5fe7ef4339c531e3cf84c63d25c47d16a7d5 100644
--- a/sumpy/expansion/local.py
+++ b/sumpy/expansion/local.py
@@ -24,7 +24,10 @@ import sumpy.symbolic as sym
 from sumpy.tools import add_to_sac
 
 from sumpy.expansion import (
-    ExpansionBase, VolumeTaylorExpansion, LinearPDEConformingVolumeTaylorExpansion)
+    ExpansionBase, VolumeTaylorExpansion, LinearPDEConformingVolumeTaylorExpansion,
+    LaplaceConformingVolumeTaylorExpansion,
+    HelmholtzConformingVolumeTaylorExpansion,
+    BiharmonicConformingVolumeTaylorExpansion)
 
 from sumpy.tools import mi_increment_axis
 from pytools import single_valued
@@ -413,12 +416,37 @@ class LinearPDEConformingVolumeTaylorLocalExpansion(
                 self, kernel, order, use_rscale)
 
 
-LaplaceConformingVolumeTaylorLocalExpansion = \
-        LinearPDEConformingVolumeTaylorLocalExpansion
-HelmholtzConformingVolumeTaylorLocalExpansion = \
-        LinearPDEConformingVolumeTaylorLocalExpansion
-BiharmonicConformingVolumeTaylorLocalExpansion = \
-        LinearPDEConformingVolumeTaylorLocalExpansion
+class LaplaceConformingVolumeTaylorLocalExpansion(
+        LaplaceConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("LaplaceConformingVolumeTaylorLocalExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorLocalExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class HelmholtzConformingVolumeTaylorLocalExpansion(
+        HelmholtzConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("HelmholtzConformingVolumeTaylorLocalExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorLocalExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class BiharmonicConformingVolumeTaylorLocalExpansion(
+        BiharmonicConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("BiharmonicConformingVolumeTaylorLocalExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorLocalExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
 
 # }}}
 
diff --git a/sumpy/expansion/multipole.py b/sumpy/expansion/multipole.py
index 957aec905530b270b631319eb2c0d923b9614b53..54e8b6e3c689a43497f5513fef9411b4ed252beb 100644
--- a/sumpy/expansion/multipole.py
+++ b/sumpy/expansion/multipole.py
@@ -23,7 +23,10 @@ THE SOFTWARE.
 import sumpy.symbolic as sym  # noqa
 
 from sumpy.expansion import (
-    ExpansionBase, VolumeTaylorExpansion, LinearPDEConformingVolumeTaylorExpansion)
+    ExpansionBase, VolumeTaylorExpansion, LinearPDEConformingVolumeTaylorExpansion,
+    LaplaceConformingVolumeTaylorExpansion,
+    HelmholtzConformingVolumeTaylorExpansion,
+    BiharmonicConformingVolumeTaylorExpansion)
 from pytools import factorial
 from sumpy.tools import mi_set_axis, add_to_sac
 
@@ -354,12 +357,37 @@ class LinearPDEConformingVolumeTaylorMultipoleExpansion(
                 self, kernel, order, use_rscale)
 
 
-LaplaceConformingVolumeTaylorMultipoleExpansion = \
-        LinearPDEConformingVolumeTaylorMultipoleExpansion
-HelmholtzConformingVolumeTaylorMultipoleExpansion = \
-        LinearPDEConformingVolumeTaylorMultipoleExpansion
-BiharmonicConformingVolumeTaylorMultipoleExpansion = \
-        LinearPDEConformingVolumeTaylorMultipoleExpansion
+class LaplaceConformingVolumeTaylorMultipoleExpansion(
+        LaplaceConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("LaplaceConformingVolumeTaylorMultipoleExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorMultipoleExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class HelmholtzConformingVolumeTaylorMultipoleExpansion(
+        HelmholtzConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("HelmholtzConformingVolumeTaylorMultipoleExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorMultipoleExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
+
+
+class BiharmonicConformingVolumeTaylorMultipoleExpansion(
+        BiharmonicConformingVolumeTaylorExpansion):
+
+    def __init__(self, *args, **kwargs):
+        from warnings import warn
+        warn("BiharmonicConformingVolumeTaylorMultipoleExpansion is deprecated. "
+             "Use LinearPDEConformingVolumeTaylorMultipoleExpansion instead.",
+                DeprecationWarning, stacklevel=2)
+        super().__init__(*args, **kwargs)
 
 # }}}