Merge "Pass jump-is-expensive flag both to compiler and linker" into main
diff --git a/android/defs.go b/android/defs.go
index fe52936..dab012d 100644
--- a/android/defs.go
+++ b/android/defs.go
@@ -86,9 +86,8 @@
 	// A symlink rule.
 	Symlink = pctx.AndroidStaticRule("Symlink",
 		blueprint.RuleParams{
-			Command:        "rm -f $out && ln -f -s $fromPath $out",
-			Description:    "symlink $out",
-			SymlinkOutputs: []string{"$out"},
+			Command:     "rm -f $out && ln -f -s $fromPath $out",
+			Description: "symlink $out",
 		},
 		"fromPath")
 
diff --git a/android/module_context.go b/android/module_context.go
index e772f8b..1cab630 100644
--- a/android/module_context.go
+++ b/android/module_context.go
@@ -16,11 +16,12 @@
 
 import (
 	"fmt"
-	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 	"path"
 	"path/filepath"
 	"strings"
+
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
 )
 
 // BuildParameters describes the set of potential parameters to build a Ninja rule.
@@ -44,10 +45,6 @@
 	// Outputs is a slice of output file of the action. When using this field, references to $out in
 	// the Ninja command will refer to these files.
 	Outputs WritablePaths
-	// SymlinkOutput is an output file specifically that is a symlink.
-	SymlinkOutput WritablePath
-	// SymlinkOutputs is a slice of output files specifically that is a symlink.
-	SymlinkOutputs WritablePaths
 	// ImplicitOutput is an output file generated by the action. Note: references to `$out` in the
 	// Ninja command will NOT include references to this file.
 	ImplicitOutput WritablePath
@@ -255,25 +252,6 @@
 	m.Build(pctx, BuildParams(params))
 }
 
-func validateBuildParams(params blueprint.BuildParams) error {
-	// Validate that the symlink outputs are declared outputs or implicit outputs
-	allOutputs := map[string]bool{}
-	for _, output := range params.Outputs {
-		allOutputs[output] = true
-	}
-	for _, output := range params.ImplicitOutputs {
-		allOutputs[output] = true
-	}
-	for _, symlinkOutput := range params.SymlinkOutputs {
-		if !allOutputs[symlinkOutput] {
-			return fmt.Errorf(
-				"Symlink output %s is not a declared output or implicit output",
-				symlinkOutput)
-		}
-	}
-	return nil
-}
-
 // Convert build parameters from their concrete Android types into their string representations,
 // and combine the singular and plural fields of the same type (e.g. Output and Outputs).
 func convertBuildParams(params BuildParams) blueprint.BuildParams {
@@ -283,7 +261,6 @@
 		Deps:            params.Deps,
 		Outputs:         params.Outputs.Strings(),
 		ImplicitOutputs: params.ImplicitOutputs.Strings(),
-		SymlinkOutputs:  params.SymlinkOutputs.Strings(),
 		Inputs:          params.Inputs.Strings(),
 		Implicits:       params.Implicits.Strings(),
 		OrderOnly:       params.OrderOnly.Strings(),
@@ -298,9 +275,6 @@
 	if params.Output != nil {
 		bparams.Outputs = append(bparams.Outputs, params.Output.String())
 	}
-	if params.SymlinkOutput != nil {
-		bparams.SymlinkOutputs = append(bparams.SymlinkOutputs, params.SymlinkOutput.String())
-	}
 	if params.ImplicitOutput != nil {
 		bparams.ImplicitOutputs = append(bparams.ImplicitOutputs, params.ImplicitOutput.String())
 	}
@@ -316,7 +290,6 @@
 
 	bparams.Outputs = proptools.NinjaEscapeList(bparams.Outputs)
 	bparams.ImplicitOutputs = proptools.NinjaEscapeList(bparams.ImplicitOutputs)
-	bparams.SymlinkOutputs = proptools.NinjaEscapeList(bparams.SymlinkOutputs)
 	bparams.Inputs = proptools.NinjaEscapeList(bparams.Inputs)
 	bparams.Implicits = proptools.NinjaEscapeList(bparams.Implicits)
 	bparams.OrderOnly = proptools.NinjaEscapeList(bparams.OrderOnly)
@@ -374,13 +347,6 @@
 	}
 
 	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		m.ModuleErrorf(
-			"%s: build parameter validation failed: %s",
-			m.ModuleName(),
-			err.Error())
-	}
 	m.bp.Build(pctx.PackageContext, bparams)
 }
 
diff --git a/android/module_test.go b/android/module_test.go
index 1ca7422..1f3db5c 100644
--- a/android/module_test.go
+++ b/android/module_test.go
@@ -15,10 +15,11 @@
 package android
 
 import (
-	"github.com/google/blueprint"
 	"path/filepath"
 	"runtime"
 	"testing"
+
+	"github.com/google/blueprint"
 )
 
 func TestSrcIsModule(t *testing.T) {
@@ -244,52 +245,6 @@
 		RunTestWithBp(t, bp)
 }
 
-func TestValidateCorrectBuildParams(t *testing.T) {
-	config := TestConfig(t.TempDir(), nil, "", nil)
-	pathContext := PathContextForTesting(config)
-	bparams := convertBuildParams(BuildParams{
-		// Test with Output
-		Output:        PathForOutput(pathContext, "undeclared_symlink"),
-		SymlinkOutput: PathForOutput(pathContext, "undeclared_symlink"),
-	})
-
-	err := validateBuildParams(bparams)
-	if err != nil {
-		t.Error(err)
-	}
-
-	bparams = convertBuildParams(BuildParams{
-		// Test with ImplicitOutput
-		ImplicitOutput: PathForOutput(pathContext, "undeclared_symlink"),
-		SymlinkOutput:  PathForOutput(pathContext, "undeclared_symlink"),
-	})
-
-	err = validateBuildParams(bparams)
-	if err != nil {
-		t.Error(err)
-	}
-}
-
-func TestValidateIncorrectBuildParams(t *testing.T) {
-	config := TestConfig(t.TempDir(), nil, "", nil)
-	pathContext := PathContextForTesting(config)
-	params := BuildParams{
-		Output:          PathForOutput(pathContext, "regular_output"),
-		Outputs:         PathsForOutput(pathContext, []string{"out1", "out2"}),
-		ImplicitOutput:  PathForOutput(pathContext, "implicit_output"),
-		ImplicitOutputs: PathsForOutput(pathContext, []string{"i_out1", "_out2"}),
-		SymlinkOutput:   PathForOutput(pathContext, "undeclared_symlink"),
-	}
-
-	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		FailIfNoMatchingErrors(t, "undeclared_symlink is not a declared output or implicit output", []error{err})
-	} else {
-		t.Errorf("Expected build params to fail validation: %+v", bparams)
-	}
-}
-
 func TestDistErrorChecking(t *testing.T) {
 	bp := `
 		deps {
diff --git a/android/rule_builder.go b/android/rule_builder.go
index 399dfdb..e8dbd48 100644
--- a/android/rule_builder.go
+++ b/android/rule_builder.go
@@ -336,41 +336,6 @@
 	return outputList
 }
 
-func (r *RuleBuilder) symlinkOutputSet() map[string]WritablePath {
-	symlinkOutputs := make(map[string]WritablePath)
-	for _, c := range r.commands {
-		for _, symlinkOutput := range c.symlinkOutputs {
-			symlinkOutputs[symlinkOutput.String()] = symlinkOutput
-		}
-	}
-	return symlinkOutputs
-}
-
-// SymlinkOutputs returns the list of paths that the executor (Ninja) would
-// verify, after build edge completion, that:
-//
-// 1) Created output symlinks match the list of paths in this list exactly (no more, no fewer)
-// 2) Created output files are *not* declared in this list.
-//
-// These symlink outputs are expected to be a subset of outputs or implicit
-// outputs, or they would fail validation at build param construction time
-// later, to support other non-rule-builder approaches for constructing
-// statements.
-func (r *RuleBuilder) SymlinkOutputs() WritablePaths {
-	symlinkOutputs := r.symlinkOutputSet()
-
-	var symlinkOutputList WritablePaths
-	for _, symlinkOutput := range symlinkOutputs {
-		symlinkOutputList = append(symlinkOutputList, symlinkOutput)
-	}
-
-	sort.Slice(symlinkOutputList, func(i, j int) bool {
-		return symlinkOutputList[i].String() < symlinkOutputList[j].String()
-	})
-
-	return symlinkOutputList
-}
-
 func (r *RuleBuilder) depFileSet() map[string]WritablePath {
 	depFiles := make(map[string]WritablePath)
 	for _, c := range r.commands {
@@ -776,7 +741,6 @@
 		Validations:     r.Validations(),
 		Output:          output,
 		ImplicitOutputs: implicitOutputs,
-		SymlinkOutputs:  r.SymlinkOutputs(),
 		Depfile:         depFile,
 		Deps:            depFormat,
 		Description:     desc,
@@ -790,17 +754,16 @@
 type RuleBuilderCommand struct {
 	rule *RuleBuilder
 
-	buf            strings.Builder
-	inputs         Paths
-	implicits      Paths
-	orderOnlys     Paths
-	validations    Paths
-	outputs        WritablePaths
-	symlinkOutputs WritablePaths
-	depFiles       WritablePaths
-	tools          Paths
-	packagedTools  []PackagingSpec
-	rspFiles       []rspFileAndPaths
+	buf           strings.Builder
+	inputs        Paths
+	implicits     Paths
+	orderOnlys    Paths
+	validations   Paths
+	outputs       WritablePaths
+	depFiles      WritablePaths
+	tools         Paths
+	packagedTools []PackagingSpec
+	rspFiles      []rspFileAndPaths
 }
 
 type rspFileAndPaths struct {
@@ -1224,42 +1187,6 @@
 	return c
 }
 
-// ImplicitSymlinkOutput declares the specified path as an implicit output that
-// will be a symlink instead of a regular file. Does not modify the command
-// line.
-func (c *RuleBuilderCommand) ImplicitSymlinkOutput(path WritablePath) *RuleBuilderCommand {
-	checkPathNotNil(path)
-	c.symlinkOutputs = append(c.symlinkOutputs, path)
-	return c.ImplicitOutput(path)
-}
-
-// ImplicitSymlinkOutputs declares the specified paths as implicit outputs that
-// will be a symlinks instead of regular files. Does not modify the command
-// line.
-func (c *RuleBuilderCommand) ImplicitSymlinkOutputs(paths WritablePaths) *RuleBuilderCommand {
-	for _, path := range paths {
-		c.ImplicitSymlinkOutput(path)
-	}
-	return c
-}
-
-// SymlinkOutput declares the specified path as an output that will be a symlink
-// instead of a regular file. Modifies the command line.
-func (c *RuleBuilderCommand) SymlinkOutput(path WritablePath) *RuleBuilderCommand {
-	checkPathNotNil(path)
-	c.symlinkOutputs = append(c.symlinkOutputs, path)
-	return c.Output(path)
-}
-
-// SymlinkOutputsl declares the specified paths as outputs that will be symlinks
-// instead of regular files. Modifies the command line.
-func (c *RuleBuilderCommand) SymlinkOutputs(paths WritablePaths) *RuleBuilderCommand {
-	for _, path := range paths {
-		c.SymlinkOutput(path)
-	}
-	return c
-}
-
 // ImplicitDepFile adds the specified depfile path to the paths returned by RuleBuilder.DepFiles without modifying
 // the command line, and causes RuleBuilder.Build file to set the depfile flag for ninja.  If multiple depfiles
 // are added to commands in a single RuleBuilder then RuleBuilder.Build will add an extra command to merge the
diff --git a/android/rule_builder_test.go b/android/rule_builder_test.go
index 9e5f12d..6a8a964 100644
--- a/android/rule_builder_test.go
+++ b/android/rule_builder_test.go
@@ -48,7 +48,6 @@
 		"a":       nil,
 		"b":       nil,
 		"ls":      nil,
-		"ln":      nil,
 		"turbine": nil,
 		"java":    nil,
 		"javac":   nil,
@@ -81,32 +80,6 @@
 	// outputs: ["out/soong/linked"]
 }
 
-func ExampleRuleBuilder_SymlinkOutputs() {
-	ctx := builderContext()
-
-	rule := NewRuleBuilder(pctx, ctx)
-
-	rule.Command().
-		Tool(PathForSource(ctx, "ln")).
-		FlagWithInput("-s ", PathForTesting("a.o")).
-		SymlinkOutput(PathForOutput(ctx, "a"))
-	rule.Command().Text("cp out/soong/a out/soong/b").
-		ImplicitSymlinkOutput(PathForOutput(ctx, "b"))
-
-	fmt.Printf("commands: %q\n", strings.Join(rule.Commands(), " && "))
-	fmt.Printf("tools: %q\n", rule.Tools())
-	fmt.Printf("inputs: %q\n", rule.Inputs())
-	fmt.Printf("outputs: %q\n", rule.Outputs())
-	fmt.Printf("symlink_outputs: %q\n", rule.SymlinkOutputs())
-
-	// Output:
-	// commands: "ln -s a.o out/soong/a && cp out/soong/a out/soong/b"
-	// tools: ["ln"]
-	// inputs: ["a.o"]
-	// outputs: ["out/soong/a" "out/soong/b"]
-	// symlink_outputs: ["out/soong/a" "out/soong/b"]
-}
-
 func ExampleRuleBuilder_Temporary() {
 	ctx := builderContext()
 
@@ -334,8 +307,6 @@
 			Output(PathForOutput(ctx, "module/Output")).
 			OrderOnly(PathForSource(ctx, "OrderOnly")).
 			Validation(PathForSource(ctx, "Validation")).
-			SymlinkOutput(PathForOutput(ctx, "module/SymlinkOutput")).
-			ImplicitSymlinkOutput(PathForOutput(ctx, "module/ImplicitSymlinkOutput")).
 			Text("Text").
 			Tool(PathForSource(ctx, "Tool"))
 
@@ -367,15 +338,13 @@
 	wantRspFileInputs := Paths{PathForSource(ctx, "RspInput"),
 		PathForOutput(ctx, "other/RspOutput2")}
 	wantOutputs := PathsForOutput(ctx, []string{
-		"module/ImplicitOutput", "module/ImplicitSymlinkOutput", "module/Output", "module/SymlinkOutput",
-		"module/output", "module/output2", "module/output3"})
+		"module/ImplicitOutput", "module/Output", "module/output", "module/output2",
+		"module/output3"})
 	wantDepFiles := PathsForOutput(ctx, []string{
 		"module/DepFile", "module/depfile", "module/ImplicitDepFile", "module/depfile2"})
 	wantTools := PathsForSource(ctx, []string{"Tool", "tool2"})
 	wantOrderOnlys := PathsForSource(ctx, []string{"OrderOnly", "OrderOnlys"})
 	wantValidations := PathsForSource(ctx, []string{"Validation", "Validations"})
-	wantSymlinkOutputs := PathsForOutput(ctx, []string{
-		"module/ImplicitSymlinkOutput", "module/SymlinkOutput"})
 
 	t.Run("normal", func(t *testing.T) {
 		rule := NewRuleBuilder(pctx, ctx)
@@ -384,7 +353,7 @@
 		wantCommands := []string{
 			"out_local/soong/module/DepFile Flag FlagWithArg=arg FlagWithDepFile=out_local/soong/module/depfile " +
 				"FlagWithInput=input FlagWithOutput=out_local/soong/module/output FlagWithRspFileInputList=out_local/soong/rsp " +
-				"Input out_local/soong/module/Output out_local/soong/module/SymlinkOutput Text Tool after command2 old cmd",
+				"Input out_local/soong/module/Output Text Tool after command2 old cmd",
 			"command2 out_local/soong/module/depfile2 input2 out_local/soong/module/output2 tool2",
 			"command3 input3 out_local/soong/module/output2 out_local/soong/module/output3 input3 out_local/soong/module/output2",
 		}
@@ -397,7 +366,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -415,7 +383,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=out_local/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text Tool after command2 old cmd",
+				"Text Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -427,7 +395,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -445,7 +412,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=out_local/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
+				"Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/tools/src/tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -457,7 +424,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -475,7 +441,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=__SBOX_SANDBOX_DIR__/out/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
+				"Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/tools/src/tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -487,7 +453,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
diff --git a/android/singleton.go b/android/singleton.go
index 47cfb28..e0e552e 100644
--- a/android/singleton.go
+++ b/android/singleton.go
@@ -170,12 +170,7 @@
 		s.buildParams = append(s.buildParams, params)
 	}
 	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		s.Errorf("%s: build parameter validation failed: %s", s.Name(), err.Error())
-	}
 	s.SingletonContext.Build(pctx.PackageContext, bparams)
-
 }
 
 func (s *singletonContextAdaptor) Phony(name string, deps ...Path) {
diff --git a/android/testing.go b/android/testing.go
index 78afaa5..f88049c 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -725,7 +725,6 @@
 //   - Depfile
 //   - Rspfile
 //   - RspfileContent
-//   - SymlinkOutputs
 //   - CommandDeps
 //   - CommandOrderOnly
 //
@@ -747,8 +746,6 @@
 	bparams.Depfile = normalizeWritablePathRelativeToTop(bparams.Depfile)
 	bparams.Output = normalizeWritablePathRelativeToTop(bparams.Output)
 	bparams.Outputs = bparams.Outputs.RelativeToTop()
-	bparams.SymlinkOutput = normalizeWritablePathRelativeToTop(bparams.SymlinkOutput)
-	bparams.SymlinkOutputs = bparams.SymlinkOutputs.RelativeToTop()
 	bparams.ImplicitOutput = normalizeWritablePathRelativeToTop(bparams.ImplicitOutput)
 	bparams.ImplicitOutputs = bparams.ImplicitOutputs.RelativeToTop()
 	bparams.Input = normalizePathRelativeToTop(bparams.Input)
@@ -766,7 +763,6 @@
 	rparams.Depfile = normalizeStringRelativeToTop(p.config, rparams.Depfile)
 	rparams.Rspfile = normalizeStringRelativeToTop(p.config, rparams.Rspfile)
 	rparams.RspfileContent = normalizeStringRelativeToTop(p.config, rparams.RspfileContent)
-	rparams.SymlinkOutputs = normalizeStringArrayRelativeToTop(p.config, rparams.SymlinkOutputs)
 	rparams.CommandDeps = normalizeStringArrayRelativeToTop(p.config, rparams.CommandDeps)
 	rparams.CommandOrderOnly = normalizeStringArrayRelativeToTop(p.config, rparams.CommandOrderOnly)
 
diff --git a/ui/build/kati.go b/ui/build/kati.go
index 31e7440..d599c99 100644
--- a/ui/build/kati.go
+++ b/ui/build/kati.go
@@ -100,8 +100,6 @@
 		"--no_ninja_prelude",
 		// Support declaring phony outputs in AOSP Ninja.
 		"--use_ninja_phony_output",
-		// Support declaring symlink outputs in AOSP Ninja.
-		"--use_ninja_symlink_outputs",
 		// Regenerate the Ninja file if environment inputs have changed. e.g.
 		// CLI flags, .mk file timestamps, env vars, $(wildcard ..) and some
 		// $(shell ..) results.