diff --git a/actions/apps/forger.sh b/actions/apps/forger.sh
index 5fdfed8..19baab6 100644
--- a/actions/apps/forger.sh
+++ b/actions/apps/forger.sh
@@ -4,40 +4,32 @@ forger_start ()
 {
     ascii
 
-    if [[ "$CORE_NETWORK" != "mainnet" ]]; then
-        heading "Starting Forger..."
+    heading "Starting Forger..."
 
-        local bip38=$(jq -r '.bip38 // empty' "$CORE_CONFIG/delegates.json")
+    local bip38=$(jq -r '.bip38 // empty' "$CORE_CONFIG/delegates.json")
 
-        if [[ -z "$bip38" ]]; then
-            __forger_start_without_bip38
-        else
-            __forger_start_with_bip38
-        fi
-
-        forger_status
-
-        success "Started Forger!"
+    if [[ -z "$bip38" ]]; then
+        __forger_start_without_bip38
     else
-        warning "Forger is disabled!"
+        __forger_start_with_bip38
     fi
+
+    forger_status
+
+    success "Started Forger!"
 }
 
 forger_restart ()
 {
     ascii
 
-    if [[ "$CORE_NETWORK" != "mainnet" ]]; then
-        heading "Restarting Forger..."
+    heading "Restarting Forger..."
 
-        pm2 restart $commander_ecosystem --only ark-core-forger >> "$commander_log" 2>&1
+    pm2 restart $commander_ecosystem --only ark-core-forger >> "$commander_log" 2>&1
 
-        forger_status
+    forger_status
 
-        success "Restarted Forger!"
-    else
-        warning "Forger is disabled!"
-    fi
+    success "Restarted Forger!"
 }
 
 forger_stop ()
diff --git a/actions/core/configure.sh b/actions/core/configure.sh
index 5badac9..5d65469 100644
--- a/actions/core/configure.sh
+++ b/actions/core/configure.sh
@@ -86,6 +86,7 @@ __core_configure_post ()
 {
     database_create
 
+    lerna clean --yes
     lerna bootstrap | tee -a "$commander_log"
 
     # Make sure the git commit hash is not modified by a local yarn.lock
@@ -103,8 +104,7 @@ __core_configure_network ()
     select opt in "${validNetworks[@]}"; do
         case "$opt" in
             "mainnet")
-                # TODO: switch freezer to master on release date
-                __core_configure_branch "freezer"
+                __core_configure_branch "master"
                 __core_configure_core "mainnet"
                 __core_configure_commander "mainnet"
                 __core_configure_environment "mainnet"
diff --git a/actions/core/update.sh b/actions/core/update.sh
index 1c74d26..50756e8 100644
--- a/actions/core/update.sh
+++ b/actions/core/update.sh
@@ -40,6 +40,7 @@ core_update ()
             git reset --hard | tee -a "$commander_log"
             git checkout "$CORE_BRANCH" | tee -a "$commander_log"
             git pull | tee -a "$commander_log"
+            lerna clean --yes
             lerna bootstrap
 
             # Make sure the git commit hash is not modified by a local yarn.lock
diff --git a/menus/commander/help.sh b/menus/commander/help.sh
index ad76fa0..cc098fd 100644
--- a/menus/commander/help.sh
+++ b/menus/commander/help.sh
@@ -25,7 +25,7 @@ menu_manage_commander_help ()
     echo
 
     text_yellow "    Configure Token Network (N)"
-    text_white "    lets you configure a different custom token network (devnet by default)."
+    text_white "    lets you configure a different custom token network (mainnet by default)."
     echo
 
     text_yellow "    Configure Explorer Repository (S)"
diff --git a/modules/environment.sh b/modules/environment.sh
index e8a05bd..63c5821 100644
--- a/modules/environment.sh
+++ b/modules/environment.sh
@@ -52,12 +52,12 @@ setup_environment ()
         touch "$commander_config"
 
         echo "CORE_REPO=https://github.com/ArkEcosystem/core" >> "$commander_config" 2>&1
-        echo "CORE_BRANCH=develop" >> "$commander_config" 2>&1
+        echo "CORE_BRANCH=master" >> "$commander_config" 2>&1
         echo "CORE_DIR=${HOME}/ark-core" >> "$commander_config" 2>&1
         echo "CORE_DATA=${HOME}/.ark" >> "$commander_config" 2>&1
         echo "CORE_CONFIG=${HOME}/.ark/config" >> "$commander_config" 2>&1
         echo "CORE_TOKEN=ark" >> "$commander_config" 2>&1
-        echo "CORE_NETWORK=devnet" >> "$commander_config" 2>&1
+        echo "CORE_NETWORK=mainnet" >> "$commander_config" 2>&1
         echo "EXPLORER_REPO=https://github.com/ArkEcosystem/explorer" >> "$commander_config" 2>&1
         echo "EXPLORER_DIR=${HOME}/ark-explorer" >> "$commander_config" 2>&1
 
@@ -77,7 +77,7 @@ setup_environment ()
         fi
 
         if ! grep -q "CORE_BRANCH" "${commander_config}"; then
-            echo "CORE_BRANCH=develop" >> "$commander_config" 2>&1
+            echo "CORE_BRANCH=master" >> "$commander_config" 2>&1
         fi
 
         if ! grep -q "CORE_DIR" "${commander_config}"; then
@@ -97,7 +97,7 @@ setup_environment ()
         fi
 
         if ! grep -q "CORE_NETWORK" "${commander_config}"; then
-            echo "CORE_NETWORK=devnet" >> "$commander_config" 2>&1
+            echo "CORE_NETWORK=mainnet" >> "$commander_config" 2>&1
         fi
 
         if ! grep -q "EXPLORER_REPO" "${commander_config}"; then
@@ -110,12 +110,6 @@ setup_environment ()
 
         . "$commander_config"
 
-        if [[ "$CORE_NETWORK" = "mainnet" ]]; then
-            sed -i -e "s/CORE_BRANCH=$CORE_BRANCH/CORE_BRANCH=freezer/g" "$commander_config"
-
-            . "$commander_config"
-        fi
-
         setup_environment_file
     fi
 }