diff --git a/ci/use_conda_packages_from_prs.sh b/ci/use_conda_packages_from_prs.sh
index 33f9c1d4..d0d5588d 100755
--- a/ci/use_conda_packages_from_prs.sh
+++ b/ci/use_conda_packages_from_prs.sh
@@ -1,17 +1,7 @@
 #!/bin/bash
 
-LIBRMM_CHANNEL=$(rapids-get-pr-conda-artifact rmm 1678 cpp)
-RMM_CHANNEL=$(rapids-get-pr-conda-artifact rmm 1678 python)
-
-CUDF_CPP_CHANNEL=$(rapids-get-pr-conda-artifact cudf 16806 cpp)
-CUDF_PYTHON_CHANNEL=$(rapids-get-pr-conda-artifact cudf 16806 python)
-
 LIBCUSPATIAL_CHANNEL=$(rapids-get-pr-conda-artifact cuspatial 1441 cpp)
 CUSPATIAL_CHANNEL=$(rapids-get-pr-conda-artifact cuspatial 1441 python)
 
-conda config --system --add channels "${LIBRMM_CHANNEL}"
-conda config --system --add channels "${RMM_CHANNEL}"
-conda config --system --add channels "${CUDF_CPP_CHANNEL}"
-conda config --system --add channels "${CUDF_PYTHON_CHANNEL}"
 conda config --system --add channels "${LIBCUSPATIAL_CHANNEL}"
 conda config --system --add channels "${CUSPATIAL_CHANNEL}"
diff --git a/ci/use_wheels_from_prs.sh b/ci/use_wheels_from_prs.sh
index 650b55c0..5d250154 100755
--- a/ci/use_wheels_from_prs.sh
+++ b/ci/use_wheels_from_prs.sh
@@ -2,28 +2,6 @@
 
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 
-LIBRMM_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=rmm_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact rmm 1678 cpp
-)
-RMM_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=rmm_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact rmm 1678 python
-)
-
-CUDF_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=cudf_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact cudf 16806 python
-)
-LIBCUDF_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=libcudf_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact cudf 16806 cpp
-)
-PYLIBCUDF_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=pylibcudf_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact cudf 16806 python
-)
-DASK_CUDF_CHANNEL=$(
-  RAPIDS_PY_WHEEL_NAME=dask_cudf_${RAPIDS_PY_CUDA_SUFFIX} \
-  RAPIDS_PY_WHEEL_PURE=1 \
-    rapids-get-pr-wheel-artifact cudf 16806 python
-)
-
 CUSPATIAL_CHANNEL=$(
   RAPIDS_PY_WHEEL_NAME=cuspatial_${RAPIDS_PY_CUDA_SUFFIX} rapids-get-pr-wheel-artifact cuspatial 1441 python
 )
@@ -35,12 +13,6 @@ LIBCUSPATIAL_CHANNEL=$(
 )
 
 cat > /tmp/constraints.txt <<EOF
-librmm-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${LIBRMM_CHANNEL}/librmm_*.whl)
-rmm-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${RMM_CHANNEL}/rmm_*.whl)
-cudf-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${CUDF_CHANNEL}/cudf_*.whl)
-libcudf-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${LIBCUDF_CHANNEL}/libcudf_*.whl)
-pylibcudf-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${PYLIBCUDF_CHANNEL}/pylibcudf_*.whl)
-dask-cudf-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${DASK_CUDF_CHANNEL}/dask_cudf_*.whl)
 cuspatial-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${CUSPATIAL_CHANNEL}/cuspatial_*.whl)
 libcuspatial-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${LIBCUSPATIAL_CHANNEL}/libcuspatial_*.whl)
 cuproj-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo ${CUPROJ_CHANNEL}/cuproj_*.whl)