diff --git a/pkgs/development/python-modules/qiskit-aer/default.nix b/pkgs/development/python-modules/qiskit-aer/default.nix
index 4a61d4ae3c82..fe6620cfab0d 100644
--- a/pkgs/development/python-modules/qiskit-aer/default.nix
+++ b/pkgs/development/python-modules/qiskit-aer/default.nix
@@ -23,7 +23,7 @@
   ddt,
   fixtures,
   pytest-timeout,
-  qiskit-terra,
+  qiskit,
   testtools,
 }:
 
@@ -123,7 +123,7 @@ buildPythonPackage rec {
     ddt
     fixtures
     pytest-timeout
-    qiskit-terra
+    qiskit
     testtools
   ];
 
diff --git a/pkgs/development/python-modules/qiskit-finance/default.nix b/pkgs/development/python-modules/qiskit-finance/default.nix
index d01ebc3e7593..df1c08e3e66e 100644
--- a/pkgs/development/python-modules/qiskit-finance/default.nix
+++ b/pkgs/development/python-modules/qiskit-finance/default.nix
@@ -12,7 +12,7 @@
   numpy,
   pandas,
   psutil,
-  qiskit-terra,
+  qiskit,
   qiskit-optimization,
   scikit-learn,
   scipy,
@@ -50,7 +50,7 @@ buildPythonPackage rec {
     numpy
     pandas
     psutil
-    qiskit-terra
+    qiskit
     qiskit-optimization
     quandl
     scikit-learn
diff --git a/pkgs/development/python-modules/qiskit-machine-learning/default.nix b/pkgs/development/python-modules/qiskit-machine-learning/default.nix
index d9c751d8b95e..d7f86997432d 100644
--- a/pkgs/development/python-modules/qiskit-machine-learning/default.nix
+++ b/pkgs/development/python-modules/qiskit-machine-learning/default.nix
@@ -11,7 +11,7 @@
   fastdtw,
   numpy,
   psutil,
-  qiskit-terra,
+  qiskit,
   scikit-learn,
   sparse,
   torch,
@@ -43,7 +43,7 @@ buildPythonPackage rec {
     numpy
     psutil
     torch
-    qiskit-terra
+    qiskit
     scikit-learn
     sparse
   ];
diff --git a/pkgs/development/python-modules/qiskit-nature/default.nix b/pkgs/development/python-modules/qiskit-nature/default.nix
index 306cacfc9265..a0530e1c5d69 100644
--- a/pkgs/development/python-modules/qiskit-nature/default.nix
+++ b/pkgs/development/python-modules/qiskit-nature/default.nix
@@ -11,7 +11,7 @@
   h5py,
   numpy,
   psutil,
-  qiskit-terra,
+  qiskit,
   rustworkx,
   scikit-learn,
   scipy,
@@ -44,7 +44,7 @@ buildPythonPackage rec {
     h5py
     numpy
     psutil
-    qiskit-terra
+    qiskit
     rustworkx
     scikit-learn
     scipy
diff --git a/pkgs/development/python-modules/qiskit-optimization/default.nix b/pkgs/development/python-modules/qiskit-optimization/default.nix
index b063e8d3786b..346930ce00bb 100644
--- a/pkgs/development/python-modules/qiskit-optimization/default.nix
+++ b/pkgs/development/python-modules/qiskit-optimization/default.nix
@@ -12,7 +12,7 @@
   docplex,
   networkx,
   numpy,
-  qiskit-terra,
+  qiskit,
   scipy,
   # Check Inputs
   pytestCheckHook,
@@ -46,7 +46,7 @@ buildPythonPackage rec {
     decorator
     networkx
     numpy
-    qiskit-terra
+    qiskit
     scipy
   ];
 
diff --git a/pkgs/development/python-modules/qiskit-terra/default.nix b/pkgs/development/python-modules/qiskit-terra/default.nix
deleted file mode 100644
index 98c328fae3d4..000000000000
--- a/pkgs/development/python-modules/qiskit-terra/default.nix
+++ /dev/null
@@ -1,223 +0,0 @@
-{
-  stdenv,
-  lib,
-  pythonAtLeast,
-  pythonOlder,
-  buildPythonPackage,
-  fetchFromGitHub,
-  cargo,
-  rustPlatform,
-  rustc,
-  libiconv,
-  # Python requirements
-  dill,
-  numpy,
-  networkx,
-  ply,
-  psutil,
-  python-constraint,
-  python-dateutil,
-  rustworkx,
-  scipy,
-  scikit-quant ? null,
-  setuptools-rust,
-  stevedore,
-  symengine,
-  sympy,
-  withVisualization ? false,
-  # Python visualization requirements, optional
-  ipywidgets,
-  matplotlib,
-  pillow,
-  pydot,
-  pygments,
-  pylatexenc,
-  seaborn,
-  # Crosstalk-adaptive layout pass
-  withCrosstalkPass ? false,
-  z3-solver,
-  # test requirements
-  ddt,
-  hypothesis,
-  nbformat,
-  nbconvert,
-  pytestCheckHook,
-  python,
-}:
-
-let
-  visualizationPackages = [
-    ipywidgets
-    matplotlib
-    pillow
-    pydot
-    pygments
-    pylatexenc
-    seaborn
-  ];
-  crosstalkPackages = [ z3-solver ];
-in
-
-buildPythonPackage rec {
-  pname = "qiskit-terra";
-  version = "0.25.1";
-  format = "setuptools";
-
-  disabled = pythonOlder "3.7" || pythonAtLeast "3.11";
-
-  src = fetchFromGitHub {
-    owner = "qiskit";
-    repo = pname;
-    rev = "refs/tags/${version}";
-    hash = "sha256-4/LVKDNxKsRztCtU/mMfKMVHHJqfadZXmxeOlnlz9Tc=";
-  };
-
-  nativeBuildInputs = [
-    setuptools-rust
-    rustc
-    cargo
-    rustPlatform.cargoSetupHook
-  ];
-
-  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
-
-  cargoDeps = rustPlatform.fetchCargoVendor {
-    inherit pname version src;
-    hash = "sha256-nTYrNH3h1kAwwPx7OMw6eI61vYy8iFhm4eWDTGhWxt4=";
-  };
-
-  propagatedBuildInputs = [
-    dill
-    numpy
-    networkx
-    ply
-    psutil
-    python-constraint
-    python-dateutil
-    rustworkx
-    scipy
-    scikit-quant
-    stevedore
-    symengine
-    sympy
-  ]
-  ++ lib.optionals withVisualization visualizationPackages
-  ++ lib.optionals withCrosstalkPass crosstalkPackages;
-
-  # *** Tests ***
-  nativeCheckInputs = [
-    pytestCheckHook
-    ddt
-    hypothesis
-    nbformat
-    nbconvert
-  ]
-  ++ lib.optionals (!withVisualization) visualizationPackages;
-
-  pythonImportsCheck = [
-    "qiskit"
-    "qiskit.pulse"
-  ];
-
-  disabledTestPaths = [
-    "test/randomized/test_transpiler_equivalence.py" # collection requires qiskit-aer, which would cause circular dependency
-    # These tests are nondeterministic and can randomly fail.
-    # We ignore them here for deterministic building.
-    "test/randomized/"
-    # These tests consistently fail on GitHub Actions build
-    "test/python/quantum_info/operators/test_random.py"
-    # Too many floating point arithmetic errors
-    "test/visual/mpl/circuit/test_circuit_matplotlib_drawer.py"
-  ];
-  pytestFlags = [ "--durations=10" ];
-  disabledTests = [
-    "TestUnitarySynthesisPlugin" # use unittest mocks for transpiler.run(), seems incompatible somehow w/ pytest infrastructure
-    # matplotlib tests seems to fail non-deterministically
-    "TestMatplotlibDrawer"
-    "TestGraphMatplotlibDrawer"
-    "test_copy" # assertNotIn doesn't seem to work as expected w/ pytest vs unittest
-
-    "test_bound_pass_manager" # AssertionError: 0 != 2
-    "test_complex_parameter_bound_to_real" # qiskit.circuit.exceptions.CircuitError: "Invalid param type <class 'complex'> for gate rx."
-    "test_expressions_of_parameter_with_constant" # Floating point arithmetic error
-    "test_handle_measurement" # AssertionError: The two circuits are not equal
-
-    # Flaky tests
-    "test_pulse_limits" # Fails on GitHub Actions, probably due to minor floating point arithmetic error.
-    "test_cx_equivalence" # Fails due to flaky test
-    "test_two_qubit_synthesis_not_pulse_optimal" # test of random circuit, seems to randomly fail depending on seed
-    "test_qv_natural" # fails due to sign error. Not sure why
-  ]
-  ++ lib.optionals (lib.versionAtLeast matplotlib.version "3.4.0") [ "test_plot_circuit_layout" ]
-  # Disabling slow tests for build constraints
-  ++ [
-    "test_all_examples"
-    "test_controlled_random_unitary"
-    "test_controlled_standard_gates_1"
-    "test_jupyter_jobs_pbars"
-    "test_lookahead_swap_higher_depth_width_is_better"
-    "test_move_measurements"
-    "test_job_monitor"
-    "test_wait_for_final_state"
-    "test_multi_controlled_y_rotation_matrix_basic_mode"
-    "test_two_qubit_weyl_decomposition_abc"
-    "test_isometry"
-    "test_parallel"
-    "test_random_state"
-    "test_random_clifford_valid"
-    "test_to_matrix"
-    "test_block_collection_reduces_1q_gate"
-    "test_multi_controlled_rotation_gate_matrices"
-    "test_block_collection_runs_for_non_cx_bases"
-    "test_with_two_qubit_reduction"
-    "test_basic_aer_qasm"
-    "test_hhl"
-    "test_H2_hamiltonian"
-    "test_max_evals_grouped_2"
-    "test_qaoa_qc_mixer_4"
-    "test_abelian_grouper_random_2"
-    "test_pauli_two_design"
-    "test_shor_factoring"
-    "test_sample_counts_memory_ghz"
-    "test_two_qubit_weyl_decomposition_ab0"
-    "test_sample_counts_memory_superposition"
-    "test_piecewise_polynomial_function"
-    "test_piecewise_chebyshev_mutability"
-    "test_bit_conditional_no_cregbundle"
-    "test_gradient_wrapper2"
-    "test_two_qubit_weyl_decomposition_abmb"
-    "test_two_qubit_weyl_decomposition_abb"
-    "test_vqe_qasm"
-    "test_dag_from_networkx"
-    "test_defaults_to_dict_46"
-  ];
-
-  # Moves tests to $PACKAGEDIR/test. They can't be run from /build because of finding
-  # cythonized modules and expecting to find some resource files in the test directory.
-  preCheck = ''
-    export PACKAGEDIR=$out/${python.sitePackages}
-    echo "Moving Qiskit test files to package directory"
-    cp -r $TMP/$sourceRoot/test $PACKAGEDIR
-    cp -r $TMP/$sourceRoot/examples $PACKAGEDIR
-
-    # run pytest from Nix's $out path
-    pushd $PACKAGEDIR
-  '';
-  postCheck = ''
-    rm -r test
-    rm -r examples
-    popd
-  '';
-
-  meta = with lib; {
-    description = "Provides the foundations for Qiskit";
-    longDescription = ''
-      Allows the user to write quantum circuits easily, and takes care of the constraints of real hardware.
-    '';
-    homepage = "https://qiskit.org/terra";
-    downloadPage = "https://github.com/QISKit/qiskit-terra/releases";
-    changelog = "https://qiskit.org/documentation/release_notes.html";
-    license = licenses.asl20;
-    maintainers = [ ];
-  };
-}
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 351153396ba7..658b8b1b4279 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -398,6 +398,7 @@ mapAliases {
   qds_sdk = throw "'qds_sdk' has been renamed to/replaced by 'qds-sdk'"; # Converted to throw 2025-10-29
   qiskit-ibmq-provider = throw "qiskit-imbq-provider has been removed, since it was deprecated upstream"; # added 2025-09-13
   qiskit-ignis = throw "qiskit-ignis has been removed, since it was deprecated upstream"; # added 2025-09-13
+  qiskit-terra = throw "qiskit-terra has been removed, since it was deprecated upstream."; # added 2025-09-13
   Quandl = throw "'Quandl' has been renamed to/replaced by 'quandl'"; # Converted to throw 2025-10-29
   querystring_parser = throw "'querystring_parser' has been renamed to/replaced by 'querystring-parser'"; # Converted to throw 2025-10-29
   radian = throw "radian has been promoted to a top-level attribute name: `pkgs.radian`"; # added 2025-05-02
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3c45a80f8de1..3ef94a38fbfa 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15809,8 +15809,6 @@ self: super: with self; {
 
   qiskit-optimization = callPackage ../development/python-modules/qiskit-optimization { };
 
-  qiskit-terra = callPackage ../development/python-modules/qiskit-terra { };
-
   qnap-qsw = callPackage ../development/python-modules/qnap-qsw { };
 
   qnapstats = callPackage ../development/python-modules/qnapstats { };