diff --git a/action.yml b/action.yml
index d52dda08..357b9c13 100644
--- a/action.yml
+++ b/action.yml
@@ -27,10 +27,6 @@ inputs:
   tools:
     description: 'Setup popular tools globally.'
     required: false
-  tools-dir:
-    description: 'Directory where all tools will be installed to.'
-    defaut: '/usr/local/bin'
-    required: false
 outputs:
   php-version:
     description: 'PHP version in semver format'
diff --git a/src/install.ts b/src/install.ts
index b38c61fc..003a4d5e 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -19,7 +19,6 @@ export async function getScript(os: string): Promise<string> {
   const script_path = path.join(__dirname, '../src/scripts', filename);
   const run_path = script_path.replace(os, 'run');
   process.env['fail_fast'] = await utils.getInput('fail-fast', false);
-  process.env['tool_path_dir'] = await utils.getInput('tools-dir', false);
   const extension_csv: string = await utils.getInput('extensions', false);
   const ini_values_csv: string = await utils.getInput('ini-values', false);
   const coverage_driver: string = await utils.getInput('coverage', false);
diff --git a/src/scripts/unix.sh b/src/scripts/unix.sh
index f62f3cd3..2432626f 100644
--- a/src/scripts/unix.sh
+++ b/src/scripts/unix.sh
@@ -55,6 +55,7 @@ read_env() {
   fail_fast="${fail_fast:-${FAIL_FAST:-false}}"
   [[ -z "${ImageOS}" && -z "${ImageVersion}" || -n ${ACT} ]] && _runner=self-hosted || _runner=github
   runner="${runner:-${RUNNER:-$_runner}}"
+  tool_path_dir="${tools_dir:-${TOOLS_DIR:-/usr/local/bin}}"
 
   if [[ "$runner" = "github" && $_runner = "self-hosted" ]]; then
     fail_fast=true
@@ -75,6 +76,7 @@ read_env() {
   export runner
   export update
   export ts
+  export tools_dir_path
 }
 
 # Function to create a lock.