diff --git a/.github/workflows/simulators.yml b/.github/workflows/simulators.yml
index 6c4c507de..62ebdee49 100644
--- a/.github/workflows/simulators.yml
+++ b/.github/workflows/simulators.yml
@@ -106,7 +106,7 @@ jobs:
         uses: actions/cache@v3
         with:
           path: external/mingw-amd64
-          key: 'mingw-llvm-17-amd64'
+          key: 'mingw-llvm-17-sim'
 
       - name: Install llvm-mingw dependency (Windows)
         if: >
diff --git a/hive_integration/nodocker/build_sims.sh b/hive_integration/nodocker/build_sims.sh
index c55946afb..d880d6a2c 100644
--- a/hive_integration/nodocker/build_sims.sh
+++ b/hive_integration/nodocker/build_sims.sh
@@ -7,7 +7,7 @@ USE_SYSTEM_NIM=1
 ENV_SCRIPT="vendor/nimbus-build-system/scripts/env.sh"
 
 # nimbus_db_backend:none -> we only use memory db in simulators
-NIM_FLAGS="c -d:release -d:disable_libbacktrace -d:nimbus_db_backend:none"
+NIM_FLAGS="c -d:release -d:nimbus_db_backend:none"
 
 ${ENV_SCRIPT} nim ${NIM_FLAGS} ${SIM_DIR}/engine/engine_sim
 ${ENV_SCRIPT} nim ${NIM_FLAGS} ${SIM_DIR}/consensus/consensus_sim