diff --git a/.github/scripts/install-hub.sh b/.github/scripts/install-hub.sh
deleted file mode 100755
index 5caf70f4..00000000
--- a/.github/scripts/install-hub.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash -eux
-
-curl -fsSL https://github.com/github/hub/raw/master/script/get | bash -s v2.14.2
diff --git a/.github/scripts/sync-with-master.sh b/.github/scripts/sync-with-master.sh
deleted file mode 100755
index d8e48786..00000000
--- a/.github/scripts/sync-with-master.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash -eux
-
-#
-# This variable must be passed into this script.
-#
-[[ -n "${BRANCH}" ]] || exit 1
-
-#
-# We need these config parameters set in order to do the git-merge.
-#
-git config user.name "${GITHUB_ACTOR}"
-git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
-
-#
-# We need the full git repository history in order to do the git-merge.
-#
-git fetch --unshallow
-
-#
-# In order to open a pull request, we need to push to a remote branch.
-# To avoid conflicting with existing remote branches, we use branches
-# within the "sync-with-master" namespace.
-#
-git checkout -b "sync-with-master/${BRANCH}" "origin/${BRANCH}"
-git merge -Xtheirs origin/master
-git push -f origin "sync-with-master/${BRANCH}"
-
-#
-# Opening a pull request may fail if there already exists a pull request
-# for the branch; e.g. if a previous pull request was previously made,
-# but not yet merged by the time we run this "sync" script again. Thus,
-# rather than causing the automation to report a failure in this case,
-# we swallow the error and report success.
-#
-# Additionally, as along as the git branch was properly updated (via the
-# "git push" above), the existing PR will have been updated as well, so
-# the "hub" command is unnecessary (hence ignoring the error).
-#
-git log -1 --format=%B | hub pull-request -F - -b "${BRANCH}" || true
diff --git a/.github/workflows/sync-with-master.yml b/.github/workflows/sync-with-master.yml
index 5d98d1d1..a6a7a447 100644
--- a/.github/workflows/sync-with-master.yml
+++ b/.github/workflows/sync-with-master.yml
@@ -14,8 +14,8 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
-      - run: ./.github/scripts/install-hub.sh
-      - run: ./.github/scripts/sync-with-master.sh
+      - uses: delphix/actions/sync-with-master@master
+        with:
+          branch-to-sync: ${{ matrix.branch }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BRANCH: ${{ matrix.branch }}
diff --git a/sdb/command.py b/sdb/command.py
index 9d5e09df..83603cca 100644
--- a/sdb/command.py
+++ b/sdb/command.py
@@ -145,7 +145,7 @@ def help(cls, name: str) -> None:
             # conditional control flow.
             #
             # pylint: disable=unsubscriptable-object
-            it_text = f"This command accepts inputs of type 'void *',"
+            it_text = "This command accepts inputs of type 'void *',"
             if cls.input_type[-1] == '*':
                 it_text += f" and '{cls.input_type[:-1].strip()}',"
             it_text += f" which will be converted to '{cls.input_type}'."
diff --git a/sdb/commands/zfs/histograms.py b/sdb/commands/zfs/histograms.py
index aea150c8..9f983b57 100644
--- a/sdb/commands/zfs/histograms.py
+++ b/sdb/commands/zfs/histograms.py
@@ -143,7 +143,7 @@ def print_histogram(hist: drgn.Object,
 
     def _call(self, objs: Iterable[drgn.Object]) -> None:
         for obj in objs:
-            print(f'seg-size   count')
+            print('seg-size   count')
             print(f'{"-" * 8}   {"-" * 5}')
             ZFSHistogram.print_histogram(obj, self.args.offset)
             ZFSHistogram.print_histogram_median(obj, self.args.offset)