diff --git a/tfexec/init.go b/tfexec/init.go
index 69010f54..bff9ecd3 100644
--- a/tfexec/init.go
+++ b/tfexec/init.go
@@ -105,6 +105,14 @@ func (tf *Terraform) initCmd(ctx context.Context, opts ...InitOption) (*exec.Cmd
 	c := defaultInitOptions
 
 	for _, o := range opts {
+		switch o.(type) {
+		case *LockOption, *LockTimeoutOption, *VerifyPluginsOption, *GetPluginsOption:
+			err := tf.compatible(ctx, nil, tf0_15_0)
+			if err != nil {
+				return nil, fmt.Errorf("-lock, -lock-timeout, -verify-plugins, and -get-plugins options are no longer available as of Terraform 0.15: %w", err)
+			}
+		}
+
 		o.configureInit(&c)
 	}
 
@@ -114,17 +122,27 @@ func (tf *Terraform) initCmd(ctx context.Context, opts ...InitOption) (*exec.Cmd
 	if c.fromModule != "" {
 		args = append(args, "-from-module="+c.fromModule)
 	}
-	if c.lockTimeout != "" {
-		args = append(args, "-lock-timeout="+c.lockTimeout)
+
+	// string opts removed in 0.15: pass if set and <0.15
+	err := tf.compatible(ctx, nil, tf0_15_0)
+	if err == nil {
+		if c.lockTimeout != "" {
+			args = append(args, "-lock-timeout="+c.lockTimeout)
+		}
 	}
 
 	// boolean opts: always pass
 	args = append(args, "-backend="+fmt.Sprint(c.backend))
 	args = append(args, "-get="+fmt.Sprint(c.get))
-	args = append(args, "-get-plugins="+fmt.Sprint(c.getPlugins))
-	args = append(args, "-lock="+fmt.Sprint(c.lock))
 	args = append(args, "-upgrade="+fmt.Sprint(c.upgrade))
-	args = append(args, "-verify-plugins="+fmt.Sprint(c.verifyPlugins))
+
+	// boolean opts removed in 0.15: pass if <0.15
+	err = tf.compatible(ctx, nil, tf0_15_0)
+	if err == nil {
+		args = append(args, "-lock="+fmt.Sprint(c.lock))
+		args = append(args, "-get-plugins="+fmt.Sprint(c.getPlugins))
+		args = append(args, "-verify-plugins="+fmt.Sprint(c.verifyPlugins))
+	}
 
 	// unary flags: pass if true
 	if c.reconfigure {
diff --git a/tfexec/init_test.go b/tfexec/init_test.go
index 0434c398..5eea7ef1 100644
--- a/tfexec/init_test.go
+++ b/tfexec/init_test.go
@@ -33,9 +33,9 @@ func TestInitCmd(t *testing.T) {
 			"-lock-timeout=0s",
 			"-backend=true",
 			"-get=true",
-			"-get-plugins=true",
-			"-lock=true",
 			"-upgrade=false",
+			"-lock=true",
+			"-get-plugins=true",
 			"-verify-plugins=true",
 		}, nil, initCmd)
 	})
@@ -55,9 +55,9 @@ func TestInitCmd(t *testing.T) {
 			"-lock-timeout=999s",
 			"-backend=false",
 			"-get=false",
-			"-get-plugins=false",
-			"-lock=false",
 			"-upgrade=true",
+			"-lock=false",
+			"-get-plugins=false",
 			"-verify-plugins=false",
 			"-reconfigure",
 			"-backend-config=confpath1",
diff --git a/tfexec/internal/e2etest/import_test.go b/tfexec/internal/e2etest/import_test.go
index ab01f964..17507903 100644
--- a/tfexec/internal/e2etest/import_test.go
+++ b/tfexec/internal/e2etest/import_test.go
@@ -18,13 +18,13 @@ func TestImport(t *testing.T) {
 	runTest(t, "import", func(t *testing.T, tfv *version.Version, tf *tfexec.Terraform) {
 		ctx := context.Background()
 
-		err := tf.Init(ctx, tfexec.Lock(false))
+		err := tf.Init(ctx)
 		if err != nil {
 			t.Fatal(err)
 		}
 
 		// Config is unnecessary here since its already the working dir, but just testing an additional flag
-		err = tf.Import(ctx, resourceAddress, expectedID, tfexec.DisableBackup(), tfexec.Lock(false), tfexec.Config(tf.WorkingDir()))
+		err = tf.Import(ctx, resourceAddress, expectedID, tfexec.DisableBackup(), tfexec.Config(tf.WorkingDir()))
 		if err != nil {
 			t.Fatal(err)
 		}
diff --git a/tfexec/internal/e2etest/version_test.go b/tfexec/internal/e2etest/version_test.go
index c88326c8..cb6b9b5f 100644
--- a/tfexec/internal/e2etest/version_test.go
+++ b/tfexec/internal/e2etest/version_test.go
@@ -13,7 +13,7 @@ func TestVersion(t *testing.T) {
 	runTest(t, "basic", func(t *testing.T, tfv *version.Version, tf *tfexec.Terraform) {
 		ctx := context.Background()
 
-		err := tf.Init(ctx, tfexec.Lock(false))
+		err := tf.Init(ctx)
 		if err != nil {
 			t.Fatal(err)
 		}
diff --git a/tfexec/terraform_test.go b/tfexec/terraform_test.go
index cb1cd614..742e20f1 100644
--- a/tfexec/terraform_test.go
+++ b/tfexec/terraform_test.go
@@ -97,9 +97,9 @@ func TestCheckpointDisablePropagation(t *testing.T) {
 			"-lock-timeout=0s",
 			"-backend=true",
 			"-get=true",
-			"-get-plugins=true",
-			"-lock=true",
 			"-upgrade=false",
+			"-lock=true",
+			"-get-plugins=true",
 			"-verify-plugins=true",
 		}, map[string]string{
 			"CHECKPOINT_DISABLE": "1",
@@ -129,9 +129,9 @@ func TestCheckpointDisablePropagation(t *testing.T) {
 			"-lock-timeout=0s",
 			"-backend=true",
 			"-get=true",
-			"-get-plugins=true",
-			"-lock=true",
 			"-upgrade=false",
+			"-lock=true",
+			"-get-plugins=true",
 			"-verify-plugins=true",
 		}, map[string]string{
 			"CHECKPOINT_DISABLE": "",
diff --git a/tfexec/version.go b/tfexec/version.go
index 2e45dda1..9e05b056 100644
--- a/tfexec/version.go
+++ b/tfexec/version.go
@@ -15,6 +15,7 @@ var (
 	tf0_7_7  = version.Must(version.NewVersion("0.7.7"))
 	tf0_12_0 = version.Must(version.NewVersion("0.12.0"))
 	tf0_13_0 = version.Must(version.NewVersion("0.13.0"))
+	tf0_15_0 = version.Must(version.NewVersion("0.15.0"))
 )
 
 // Version returns structured output from the terraform version command including both the Terraform CLI version