diff --git a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
index 7287402c..6d23370d 100644
--- a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
index c1a0accf..99295f30 100644
--- a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
index bef82b0c..aee99c80 100644
--- a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
index c5cba1d3..4cdb94a3 100644
--- a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
index 7a96ece5..728bcb39 100644
--- a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
index 20dcc29e..13f6ab9d 100644
--- a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
index b64c227a..5c09af2f 100644
--- a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
index 8c4aee7c..8bb6dd2e 100644
--- a/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
@@ -16,8 +16,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
index a63e52ea..d1f6d3c8 100644
--- a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.10.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
index 6c382989..cc230684 100644
--- a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.11.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
index 8c9cd30c..9db9e52b 100644
--- a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.12.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
index 7a1ac704..77fb4d5f 100644
--- a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11python3.9.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
index 81af58bd..bc5a8079 100644
--- a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.10.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
index 3a871c5a..d9a28309 100644
--- a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.11.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
index 92c99a85..7f4905e3 100644
--- a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.12.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
index f4052396..036f8f33 100644
--- a/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version12python3.9.____cpython.yaml
@@ -20,8 +20,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.10.____cpython.yaml b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.10.____cpython.yaml
index dc795331..c165ab09 100644
--- a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.10.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.10.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.11.____cpython.yaml b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.11.____cpython.yaml
index 452fd1f9..01c43d5c 100644
--- a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.11.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.11.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.12.____cpython.yaml b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.12.____cpython.yaml
index 2d81c887..e6815c62 100644
--- a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.12.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.12.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.9.____cpython.yaml b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.9.____cpython.yaml
index b6446d85..bf398795 100644
--- a/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.9.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilercuda-nvcccuda_compiler_version12.6python3.9.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - cuda-nvcc
 cuda_compiler_version:
 - '12.6'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.10.____cpython.yaml b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.10.____cpython.yaml
index 6eecf96a..7d7e12f1 100644
--- a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.10.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.10.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.11.____cpython.yaml b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.11.____cpython.yaml
index 599ad62a..ab13200d 100644
--- a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.11.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.11.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.12.____cpython.yaml b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.12.____cpython.yaml
index e22a9877..1585b42f 100644
--- a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.12.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.12.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.9.____cpython.yaml b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.9.____cpython.yaml
index 1be3ff44..47a1b651 100644
--- a/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.9.____cpython.yaml
+++ b/.ci_support/win_64_cuda_compilernvcccuda_compiler_version11.8python3.9.____cpython.yaml
@@ -10,8 +10,6 @@ cuda_compiler:
 - nvcc
 cuda_compiler_version:
 - '11.8'
-cudnn:
-- '8'
 cutensor:
 - '2'
 cxx_compiler:
diff --git a/conda-forge.yml b/conda-forge.yml
index 4f5188d9..a328131c 100644
--- a/conda-forge.yml
+++ b/conda-forge.yml
@@ -13,10 +13,6 @@ github:
   branch_name: main
   tooling_branch_name: main
 idle_timeout_minutes: 120
-os_version:
-  linux_64: cos7
-  linux_aarch64: cos7
-  linux_ppc64le: cos7
 provider:
   linux_aarch64: azure
   linux_ppc64le: azure
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index ecbd86d2..523a9aca 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -133,7 +133,6 @@ outputs:
         {% endif %}
       ignore_run_exports:
         # optional dependencies
-        - cudnn
         - nccl        # [linux]
         - cutensor
     requirements:
@@ -160,7 +159,6 @@ outputs:
         - libcusparse-dev                       # [build_platform != target_platform]
         {% endif %}
         # optional dependencies for CUDA 11.2+
-        - cudnn ~=8.8
         - nccl ~=2.16                           # [build_platform != target_platform]
         - cutensor ~=2.0                        # [build_platform != target_platform]
       host:
@@ -185,7 +183,6 @@ outputs:
         - libcusparse-dev
         {% endif %}
         # optional dependencies
-        - cudnn ~=8.8
         - nccl ~=2.16           # [linux]
         - cutensor ~=2.0
       run:
@@ -208,7 +205,6 @@ outputs:
         - __cuda >=11.2                                          # [(cuda_compiler_version or "").startswith("11")]
         - __cuda >=12.0                                          # [(cuda_compiler_version or "").startswith("12")]
         - {{ pin_subpackage('cupy', max_pin='x.x') }}
-        - {{ pin_compatible('cudnn') }}
         - {{ pin_compatible('nccl') }}                           # [linux]
         - {{ pin_compatible('cutensor') }}
     test: