diff --git a/.github/workflows/grcov.yml b/.github/workflows/grcov.yml
deleted file mode 100644
index 5997fe9..0000000
--- a/.github/workflows/grcov.yml
+++ /dev/null
@@ -1,65 +0,0 @@
-on: [push, pull_request]
-
-name: Code coverage with grcov
-
-jobs:
-  grcov:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os:
-          - ubuntu-latest
-          - macOS-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-          profile: minimal
-
-      - name: Execute tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all
-        env:
-          CARGO_INCREMENTAL: 0
-          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests"
-
-      # Note that `actions-rs/grcov` Action can install `grcov` too,
-      # but can't use faster installation methods yet.
-      # As a temporary experiment `actions-rs/install` Action plugged in here.
-      # Consider **NOT** to copy that into your workflow,
-      # but use `actions-rs/grcov` only
-      - name: Pre-installing grcov
-        uses: actions-rs/install@v0.1
-        with:
-          crate: grcov
-          use-tool-cache: true
-
-      - name: Gather coverage data
-        id: coverage
-        uses: actions-rs/grcov@v0.1
-        with:
-          coveralls-token: ${{ secrets.COVERALLS_TOKEN }}
-
-      - name: Coveralls upload
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel: true
-          path-to-lcov: ${{ steps.coverage.outputs.report }}
-
-  grcov_finalize:
-    runs-on: ubuntu-latest
-    needs: grcov
-    steps:
-      - name: Coveralls finalization
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel-finished: true
\ No newline at end of file
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 430c320..242df29 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -47,7 +47,43 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --no-default-features --workspace
+          args: --no-default-features --all
+          env:
+            CARGO_INCREMENTAL: 0
+            RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests"
+# Note that `actions-rs/grcov` Action can install `grcov` too,
+      # but can't use faster installation methods yet.
+      # As a temporary experiment `actions-rs/install` Action plugged in here.
+      # Consider **NOT** to copy that into your workflow,
+      # but use `actions-rs/grcov` only
+      - name: Pre-installing grcov
+        uses: actions-rs/install@v0.1
+        with:
+          crate: grcov
+          use-tool-cache: true
+
+      - name: Gather coverage data
+        id: coverage
+        uses: actions-rs/grcov@v0.1
+        with:
+          coveralls-token: ${{ secrets.COVERALLS_TOKEN }}
+
+      - name: Coveralls upload
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel: true
+          path-to-lcov: ${{ steps.coverage.outputs.report }}
+
+  grcov_finalize:
+    runs-on: ubuntu-latest
+    needs: grcov
+    steps:
+      - name: Coveralls finalization
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel-finished: true
 
   fmt:
     name: Rustfmt