diff --git a/pkg/engine/runtime/terraform/terraform_runtime.go b/pkg/engine/runtime/terraform/terraform_runtime.go
index df0a2abf..133930e7 100644
--- a/pkg/engine/runtime/terraform/terraform_runtime.go
+++ b/pkg/engine/runtime/terraform/terraform_runtime.go
@@ -6,7 +6,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 	"time"
 
 	"github.com/spf13/afero"
@@ -29,7 +28,6 @@ var tfEvents = cache.New(cache.NoExpiration, cache.NoExpiration)
 
 type TerraformRuntime struct {
 	tfops.WorkSpace
-	mu *sync.Mutex
 }
 
 func NewTerraformRuntime(_ *apiv1.Resource) (runtime.Runtime, error) {
@@ -37,16 +35,12 @@ func NewTerraformRuntime(_ *apiv1.Resource) (runtime.Runtime, error) {
 	ws := tfops.NewWorkSpace(fs)
 	TFRuntime := &TerraformRuntime{
 		WorkSpace: *ws,
-		mu:        &sync.Mutex{},
 	}
 	return TFRuntime, nil
 }
 
 // Apply Terraform resource
 func (t *TerraformRuntime) Apply(ctx context.Context, request *runtime.ApplyRequest) *runtime.ApplyResponse {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-
 	plan := request.PlanResource
 	stackPath := request.Stack.Path
 	key := plan.ResourceKey()
@@ -199,10 +193,8 @@ func (t *TerraformRuntime) Read(ctx context.Context, request *runtime.ReadReques
 	if priorResource == nil {
 		return &runtime.ReadResponse{Resource: nil, Status: nil}
 	}
-	var tfstate *tfops.StateRepresentation
 
-	t.mu.Lock()
-	defer t.mu.Unlock()
+	var tfstate *tfops.StateRepresentation
 	stackPath := request.Stack.Path
 	tfCacheDir := buildTFCacheDir(stackPath, planResource.ResourceKey())
 	t.WorkSpace.SetStackDir(stackPath)
@@ -266,8 +258,6 @@ func (t *TerraformRuntime) Import(ctx context.Context, request *runtime.ImportRe
 func (t *TerraformRuntime) Delete(ctx context.Context, request *runtime.DeleteRequest) (res *runtime.DeleteResponse) {
 	stackPath := request.Stack.Path
 	tfCacheDir := buildTFCacheDir(stackPath, request.Resource.ResourceKey())
-	t.mu.Lock()
-	defer t.mu.Unlock()
 
 	t.WorkSpace.SetStackDir(stackPath)
 	t.WorkSpace.SetCacheDir(tfCacheDir)
diff --git a/pkg/engine/runtime/terraform/tfops/workspace.go b/pkg/engine/runtime/terraform/tfops/workspace.go
index 8718115b..79f0460a 100644
--- a/pkg/engine/runtime/terraform/tfops/workspace.go
+++ b/pkg/engine/runtime/terraform/tfops/workspace.go
@@ -192,7 +192,7 @@ func (w *WorkSpace) Apply(ctx context.Context) (*StateRepresentation, error) {
 		return nil, err
 	}
 
-	cmd := exec.CommandContext(ctx, "terraform", chdir, "apply", "-auto-approve", "-json", "-lock=false")
+	cmd := exec.CommandContext(ctx, "terraform", chdir, "apply", "-auto-approve", "-json")
 	cmd.Dir = w.stackDir
 	envs, err := w.initEnvs()
 	if err != nil {
@@ -301,7 +301,7 @@ func (w *WorkSpace) RefreshOnly(ctx context.Context) (*StateRepresentation, erro
 	if err != nil {
 		return nil, err
 	}
-	cmd := exec.CommandContext(ctx, "terraform", chdir, "apply", "-auto-approve", "-json", "--refresh-only", "-lock=false")
+	cmd := exec.CommandContext(ctx, "terraform", chdir, "apply", "-auto-approve", "-json", "--refresh-only")
 	cmd.Dir = w.stackDir
 
 	envs, err := w.initEnvs()