diff --git a/.github/workflows/Check.yml b/.github/workflows/Check.yml
new file mode 100644
index 0000000..03db225
--- /dev/null
+++ b/.github/workflows/Check.yml
@@ -0,0 +1,39 @@
+name: Code checks
+
+on:
+  pull_request:
+  push:
+    branches: ["master"]
+
+jobs:
+
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
+
+  explicit-imports:
+    runs-on: ubuntu-latest
+    name: "ExplicitImports.jl"
+    steps:
+      - uses: actions/checkout@v4
+      # - uses: julia-actions/setup-julia@v2
+      #   with:
+      #     version: '1'
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/julia-buildpkg@v1
+      - name: Install dependencies
+        shell: julia {0}
+        run: |
+          # Add ExplicitImports.jl
+          using Pkg
+          Pkg.add([PackageSpec(name = "ExplicitImports", version = "1.9")])
+      - name: ExplicitImports.jl code checks
+        shell: julia --project {0}
+        run: |
+          using HYPRE, ExplicitImports
+          check_no_implicit_imports(HYPRE)
+          check_no_stale_explicit_imports(HYPRE)
+          check_all_qualified_accesses_via_owners(HYPRE)
+          check_no_self_qualified_accesses(HYPRE)
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..6c219d2
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,11 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+     - id: check-added-large-files
+     - id: check-case-conflict
+     - id: check-toml
+     - id: check-yaml
+     - id: end-of-file-fixer
+     - id: mixed-line-ending
+     - id: trailing-whitespace
diff --git a/lib/LibHYPRE.jl b/lib/LibHYPRE.jl
index 9fe4ee8..77812cf 100644
--- a/lib/LibHYPRE.jl
+++ b/lib/LibHYPRE.jl
@@ -1,7 +1,7 @@
-using HYPRE_jll
+using HYPRE_jll: HYPRE_jll, libHYPRE
 export HYPRE_jll
 
-using CEnum
+using CEnum: @cenum
 
 using MPI: MPI, MPI_Comm
 if isdefined(MPI, :API) # MPI >= 0.20.0
@@ -3744,4 +3744,3 @@ const HYPRE_ERROR_MEMORY = 2
 const HYPRE_ERROR_ARG = 4
 
 const HYPRE_ERROR_CONV = 256
-
diff --git a/src/HYPRE.jl b/src/HYPRE.jl
index 142d5f6..ebffd11 100644
--- a/src/HYPRE.jl
+++ b/src/HYPRE.jl
@@ -6,8 +6,8 @@ using MPI: MPI
 using PartitionedArrays: PartitionedArrays, AbstractLocalIndices, MPIArray, PSparseMatrix,
     PVector, SplitMatrix, ghost_to_global, local_values, own_to_global, own_values,
     partition
-using SparseArrays: SparseArrays, SparseMatrixCSC, nnz, nonzeros, nzrange, rowvals
-using SparseMatricesCSR: SparseMatrixCSR, colvals, getrowptr
+using SparseArrays: SparseArrays, SparseMatrixCSC, nonzeros, nzrange, rowvals
+using SparseMatricesCSR: SparseMatrixCSR, colvals
 
 export HYPREMatrix, HYPREVector