diff --git a/conda/environments/all_cuda-129_arch-aarch64.yaml b/conda/environments/all_cuda-129_arch-aarch64.yaml
index be714df2ea..955fbf4b3b 100644
--- a/conda/environments/all_cuda-129_arch-aarch64.yaml
+++ b/conda/environments/all_cuda-129_arch-aarch64.yaml
@@ -22,7 +22,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-aarch64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/all_cuda-129_arch-x86_64.yaml b/conda/environments/all_cuda-129_arch-x86_64.yaml
index b84267ed29..e0b706e97e 100644
--- a/conda/environments/all_cuda-129_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-129_arch-x86_64.yaml
@@ -22,7 +22,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/all_cuda-133_arch-aarch64.yaml b/conda/environments/all_cuda-133_arch-aarch64.yaml
index 5de53fb5bc..e6972b30dc 100644
--- a/conda/environments/all_cuda-133_arch-aarch64.yaml
+++ b/conda/environments/all_cuda-133_arch-aarch64.yaml
@@ -22,7 +22,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-aarch64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/all_cuda-133_arch-x86_64.yaml b/conda/environments/all_cuda-133_arch-x86_64.yaml
index 719f7ab594..bab866e313 100644
--- a/conda/environments/all_cuda-133_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-133_arch-x86_64.yaml
@@ -22,7 +22,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/bench_ann_cuda-129_arch-aarch64.yaml b/conda/environments/bench_ann_cuda-129_arch-aarch64.yaml
index f56dd24a45..b844e1d93d 100644
--- a/conda/environments/bench_ann_cuda-129_arch-aarch64.yaml
+++ b/conda/environments/bench_ann_cuda-129_arch-aarch64.yaml
@@ -24,7 +24,6 @@ dependencies:
 - gcc_linux-aarch64=14.*
 - glog>=0.6.0
 - h5py>=3.8.0
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/bench_ann_cuda-129_arch-x86_64.yaml b/conda/environments/bench_ann_cuda-129_arch-x86_64.yaml
index 7d9a724656..2340c9d7a0 100644
--- a/conda/environments/bench_ann_cuda-129_arch-x86_64.yaml
+++ b/conda/environments/bench_ann_cuda-129_arch-x86_64.yaml
@@ -26,7 +26,6 @@ dependencies:
 - h5py>=3.8.0
 - libaio
 - libboost-devel=1.87
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/bench_ann_cuda-133_arch-aarch64.yaml b/conda/environments/bench_ann_cuda-133_arch-aarch64.yaml
index e984d9740c..321a892555 100644
--- a/conda/environments/bench_ann_cuda-133_arch-aarch64.yaml
+++ b/conda/environments/bench_ann_cuda-133_arch-aarch64.yaml
@@ -24,7 +24,6 @@ dependencies:
 - gcc_linux-aarch64=14.*
 - glog>=0.6.0
 - h5py>=3.8.0
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/bench_ann_cuda-133_arch-x86_64.yaml b/conda/environments/bench_ann_cuda-133_arch-x86_64.yaml
index f69d6615fa..179b4a4a2f 100644
--- a/conda/environments/bench_ann_cuda-133_arch-x86_64.yaml
+++ b/conda/environments/bench_ann_cuda-133_arch-x86_64.yaml
@@ -26,7 +26,6 @@ dependencies:
 - h5py>=3.8.0
 - libaio
 - libboost-devel=1.87
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/go_cuda-129_arch-aarch64.yaml b/conda/environments/go_cuda-129_arch-aarch64.yaml
index cc4deaf4ee..e95660174c 100644
--- a/conda/environments/go_cuda-129_arch-aarch64.yaml
+++ b/conda/environments/go_cuda-129_arch-aarch64.yaml
@@ -20,7 +20,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-aarch64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/go_cuda-129_arch-x86_64.yaml b/conda/environments/go_cuda-129_arch-x86_64.yaml
index 5b6df5b32a..ba96a1c457 100644
--- a/conda/environments/go_cuda-129_arch-x86_64.yaml
+++ b/conda/environments/go_cuda-129_arch-x86_64.yaml
@@ -20,7 +20,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/go_cuda-133_arch-aarch64.yaml b/conda/environments/go_cuda-133_arch-aarch64.yaml
index 9a5716d887..8098f29222 100644
--- a/conda/environments/go_cuda-133_arch-aarch64.yaml
+++ b/conda/environments/go_cuda-133_arch-aarch64.yaml
@@ -20,7 +20,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-aarch64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/conda/environments/go_cuda-133_arch-x86_64.yaml b/conda/environments/go_cuda-133_arch-x86_64.yaml
index 31f335e379..e68b40440e 100644
--- a/conda/environments/go_cuda-133_arch-x86_64.yaml
+++ b/conda/environments/go_cuda-133_arch-x86_64.yaml
@@ -20,7 +20,6 @@ dependencies:
 - dlpack>=0.8,<1.0
 - gcc_linux-64=14.*
 - go
-- libclang==20.1.8
 - libcublas-dev
 - libcurand-dev
 - libcusolver-dev
diff --git a/dependencies.yaml b/dependencies.yaml
index d9221076c8..0b82ed2f4e 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -294,7 +294,6 @@ dependencies:
         packages:
           - clang==20.1.8
           - clang-tools==20.1.8
-          - libclang==20.1.8
   # 'cuda_version' intentionally does not contain fallback entries... we want
   # a loud error if an unsupported 'cuda' value is passed
   cuda_version: