diff --git a/.github/workflows/sims-045.yml b/.github/workflows/sims-045.yml
index 8fa9e519c2c..9392befa254 100644
--- a/.github/workflows/sims-045.yml
+++ b/.github/workflows/sims-045.yml
@@ -10,8 +10,8 @@ on:
 jobs:
   cleanup-runs:
     permissions:
-      actions: write  # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
-      contents: read  # for rokroskar/workflow-run-cleanup-action to obtain branch
+      actions: write # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
+      contents: read # for rokroskar/workflow-run-cleanup-action to obtain branch
     runs-on: buildjet-4vcpu-ubuntu-2004
     steps:
       - uses: rokroskar/workflow-run-cleanup-action@master
@@ -23,6 +23,8 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'skip-sims')"
     steps:
       - uses: actions/checkout@v3
+        with:
+          ref: "release/v0.45.x"
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18
@@ -115,9 +117,6 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ success() }}
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v3
-
       - name: Get previous workflow status
         uses: ./.github/actions/last-workflow-status
         id: last_status
diff --git a/.github/workflows/sims-046.yml b/.github/workflows/sims-046.yml
index 0126e3100c3..afbc656b15c 100644
--- a/.github/workflows/sims-046.yml
+++ b/.github/workflows/sims-046.yml
@@ -10,8 +10,8 @@ on:
 jobs:
   cleanup-runs:
     permissions:
-      actions: write  # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
-      contents: read  # for rokroskar/workflow-run-cleanup-action to obtain branch
+      actions: write # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
+      contents: read # for rokroskar/workflow-run-cleanup-action to obtain branch
     runs-on: buildjet-4vcpu-ubuntu-2004
     steps:
       - uses: rokroskar/workflow-run-cleanup-action@master
@@ -23,6 +23,8 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'skip-sims')"
     steps:
       - uses: actions/checkout@v3
+        with:
+          ref: "release/v0.46.x"
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18
@@ -115,9 +117,6 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ success() }}
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v3
-
       - name: Get previous workflow status
         uses: ./.github/actions/last-workflow-status
         id: last_status
diff --git a/.github/workflows/sims.yml b/.github/workflows/sims.yml
index dbd248433c2..faa29ffc9d8 100644
--- a/.github/workflows/sims.yml
+++ b/.github/workflows/sims.yml
@@ -10,8 +10,8 @@ on:
 jobs:
   cleanup-runs:
     permissions:
-      actions: write  # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
-      contents: read  # for rokroskar/workflow-run-cleanup-action to obtain branch
+      actions: write # for rokroskar/workflow-run-cleanup-action to obtain workflow name & cancel it
+      contents: read # for rokroskar/workflow-run-cleanup-action to obtain branch
     runs-on: buildjet-4vcpu-ubuntu-2004
     steps:
       - uses: rokroskar/workflow-run-cleanup-action@master
@@ -21,8 +21,8 @@ jobs:
 
   build:
     permissions:
-      contents: read  # for actions/checkout to fetch code
-      pull-requests: read  # for technote-space/get-diff-action to get git reference
+      contents: read # for actions/checkout to fetch code
+      pull-requests: read # for technote-space/get-diff-action to get git reference
     runs-on: buildjet-4vcpu-ubuntu-2004
     if: "!contains(github.event.head_commit.message, 'skip-sims')"
     steps:
@@ -114,9 +114,6 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ success() }}
     steps:
-      - name: Check out repository
-        uses: actions/checkout@v3
-
       - name: Get previous workflow status
         uses: ./.github/actions/last-workflow-status
         id: last_status
diff --git a/crypto/ledger/ledger_real.go b/crypto/ledger/ledger_real.go
index 5ddca254f02..ad8f8fdf236 100644
--- a/crypto/ledger/ledger_real.go
+++ b/crypto/ledger/ledger_real.go
@@ -4,8 +4,6 @@
 package ledger
 
 import (
-	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
-	"github.com/cosmos/cosmos-sdk/crypto/types"
 	ledger "github.com/cosmos/ledger-cosmos-go"
 )