14 files changed, 0 insertions, 934 deletions
diff --git a/tools/checklocks/test/BUILD b/tools/checklocks/test/BUILD
deleted file mode 100644
index f2ea6c7c6..000000000
--- a/tools/checklocks/test/BUILD
+++ /dev/null
@@ -1,22 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
-    name = "test",
-    srcs = [
-        "alignment.go",
-        "anon.go",
-        "atomics.go",
-        "basics.go",
-        "branches.go",
-        "closures.go",
-        "defer.go",
-        "incompat.go",
-        "methods.go",
-        "parameters.go",
-        "return.go",
-        "rwmutex.go",
-        "test.go",
-    ],
-)
diff --git a/tools/checklocks/test/alignment.go b/tools/checklocks/test/alignment.go
deleted file mode 100644
index cd857ff73..000000000
--- a/tools/checklocks/test/alignment.go
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-type alignedStruct32 struct {
-	v int32
-}
-
-type alignedStruct64 struct {
-	v int64
-}
-
-type alignedStructGood struct {
-	v0 alignedStruct32
-	v1 alignedStruct32
-	v2 alignedStruct64
-}
-
-type alignedStructGoodArray0 struct {
-	v0 [3]alignedStruct32
-	v1 [3]alignedStruct32
-	v2 alignedStruct64
-}
-
-type alignedStructGoodArray1 [16]alignedStructGood
-
-type alignedStructBad struct {
-	v0 alignedStruct32
-	v1 alignedStruct64
-	v2 alignedStruct32
-}
-
-type alignedStructBadArray0 struct {
-	v0 [3]alignedStruct32
-	v1 [2]alignedStruct64
-	v2 [1]alignedStruct32
-}
-
-type alignedStructBadArray1 [16]alignedStructBad
diff --git a/tools/checklocks/test/anon.go b/tools/checklocks/test/anon.go
deleted file mode 100644
index a1f6bddda..000000000
--- a/tools/checklocks/test/anon.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import "sync"
-
-type anonStruct struct {
-	anon struct {
-		mu sync.RWMutex
-		// +checklocks:mu
-		x int
-	}
-}
-
-func testAnonAccessValid(tc *anonStruct) {
-	tc.anon.mu.Lock()
-	tc.anon.x = 1
-	tc.anon.mu.Unlock()
-}
-
-func testAnonAccessInvalid(tc *anonStruct) {
-	tc.anon.x = 1 // +checklocksfail
-}
diff --git a/tools/checklocks/test/atomics.go b/tools/checklocks/test/atomics.go
deleted file mode 100644
index 8e060d8a2..000000000
--- a/tools/checklocks/test/atomics.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"sync"
-	"sync/atomic"
-)
-
-type atomicStruct struct {
-	accessedNormally int32
-
-	// +checkatomic
-	accessedAtomically int32
-
-	// +checklocksignore
-	ignored int32
-}
-
-func testNormalAccess(tc *atomicStruct, v chan int32, p chan *int32) {
-	v <- tc.accessedNormally
-	p <- &tc.accessedNormally
-}
-
-func testAtomicAccess(tc *atomicStruct, v chan int32) {
-	v <- atomic.LoadInt32(&tc.accessedAtomically)
-}
-
-func testAtomicAccessInvalid(tc *atomicStruct, v chan int32) {
-	v <- atomic.LoadInt32(&tc.accessedNormally) // +checklocksfail
-}
-
-func testNormalAccessInvalid(tc *atomicStruct, v chan int32, p chan *int32) {
-	v <- tc.accessedAtomically  // +checklocksfail
-	p <- &tc.accessedAtomically // +checklocksfail
-}
-
-func testIgnored(tc *atomicStruct, v chan int32, p chan *int32) {
-	v <- atomic.LoadInt32(&tc.ignored)
-	v <- tc.ignored
-	p <- &tc.ignored
-}
-
-type atomicMixedStruct struct {
-	mu sync.Mutex
-
-	// +checkatomic
-	// +checklocks:mu
-	accessedMixed int32
-}
-
-func testAtomicMixedValidRead(tc *atomicMixedStruct, v chan int32) {
-	v <- atomic.LoadInt32(&tc.accessedMixed)
-}
-
-func testAtomicMixedInvalidRead(tc *atomicMixedStruct, v chan int32, p chan *int32) {
-	v <- tc.accessedMixed  // +checklocksfail
-	p <- &tc.accessedMixed // +checklocksfail
-}
-
-func testAtomicMixedValidLockedWrite(tc *atomicMixedStruct, v chan int32, p chan *int32) {
-	tc.mu.Lock()
-	atomic.StoreInt32(&tc.accessedMixed, 1)
-	tc.mu.Unlock()
-}
-
-func testAtomicMixedInvalidLockedWrite(tc *atomicMixedStruct, v chan int32, p chan *int32) {
-	tc.mu.Lock()
-	tc.accessedMixed = 1 // +checklocksfail:2
-	tc.mu.Unlock()
-}
-
-func testAtomicMixedInvalidAtomicWrite(tc *atomicMixedStruct, v chan int32, p chan *int32) {
-	atomic.StoreInt32(&tc.accessedMixed, 1) // +checklocksfail
-}
-
-func testAtomicMixedInvalidWrite(tc *atomicMixedStruct, v chan int32, p chan *int32) {
-	tc.accessedMixed = 1 // +checklocksfail:2
-}
diff --git a/tools/checklocks/test/basics.go b/tools/checklocks/test/basics.go
deleted file mode 100644
index e941fba5b..000000000
--- a/tools/checklocks/test/basics.go
+++ /dev/null
@@ -1,145 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"sync"
-)
-
-func testLockedAccessValid(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	tc.guardedField = 1
-	tc.mu.Unlock()
-}
-
-func testLockedAccessIgnore(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	tc.unguardedField = 1
-	tc.mu.Unlock()
-}
-
-func testUnlockedAccessInvalidWrite(tc *oneGuardStruct) {
-	tc.guardedField = 2 // +checklocksfail
-}
-
-func testUnlockedAccessInvalidRead(tc *oneGuardStruct) {
-	x := tc.guardedField // +checklocksfail
-	_ = x
-}
-
-func testUnlockedAccessValid(tc *oneGuardStruct) {
-	tc.unguardedField = 2
-}
-
-func testCallValidAccess(tc *oneGuardStruct) {
-	callValidAccess(tc)
-}
-
-func callValidAccess(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	tc.guardedField = 1
-	tc.mu.Unlock()
-}
-
-func testCallValueMixup(tc *oneGuardStruct) {
-	callValueMixup(tc, tc)
-}
-
-func callValueMixup(tc1, tc2 *oneGuardStruct) {
-	tc1.mu.Lock()
-	tc2.guardedField = 2 // +checklocksfail
-	tc1.mu.Unlock()
-}
-
-func testCallPreconditionsInvalid(tc *oneGuardStruct) {
-	callPreconditions(tc) // +checklocksfail
-}
-
-func testCallPreconditionsValid(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	callPreconditions(tc)
-	tc.mu.Unlock()
-}
-
-// +checklocks:tc.mu
-func callPreconditions(tc *oneGuardStruct) {
-	tc.guardedField = 1
-}
-
-type nestedFieldsStruct struct {
-	mu sync.Mutex
-
-	// +checklocks:mu
-	nestedStruct struct {
-		nested1 int
-		nested2 int
-	}
-}
-
-func testNestedGuardValid(tc *nestedFieldsStruct) {
-	tc.mu.Lock()
-	tc.nestedStruct.nested1 = 1
-	tc.nestedStruct.nested2 = 2
-	tc.mu.Unlock()
-}
-
-func testNestedGuardInvalid(tc *nestedFieldsStruct) {
-	tc.nestedStruct.nested1 = 1 // +checklocksfail
-}
-
-type rwGuardStruct struct {
-	rwMu sync.RWMutex
-
-	// +checklocks:rwMu
-	guardedField int
-}
-
-func testRWValidRead(tc *rwGuardStruct) {
-	tc.rwMu.Lock()
-	_ = tc.guardedField
-	tc.rwMu.Unlock()
-}
-
-func testRWValidWrite(tc *rwGuardStruct) {
-	tc.rwMu.Lock()
-	tc.guardedField = 2
-	tc.rwMu.Unlock()
-}
-
-func testRWInvalidWrite(tc *rwGuardStruct) {
-	tc.guardedField = 3 // +checklocksfail
-}
-
-func testRWInvalidRead(tc *rwGuardStruct) {
-	x := tc.guardedField + 3 // +checklocksfail
-	_ = x
-}
-
-func testTwoLocksDoubleGuardStructValid(tc *twoLocksDoubleGuardStruct) {
-	tc.mu.Lock()
-	tc.secondMu.Lock()
-	tc.doubleGuardedField = 1
-	tc.secondMu.Unlock()
-}
-
-func testTwoLocksDoubleGuardStructOnlyOne(tc *twoLocksDoubleGuardStruct) {
-	tc.mu.Lock()
-	tc.doubleGuardedField = 2 // +checklocksfail
-	tc.mu.Unlock()
-}
-
-func testTwoLocksDoubleGuardStructInvalid(tc *twoLocksDoubleGuardStruct) {
-	tc.doubleGuardedField = 3 // +checklocksfail:2
-}
diff --git a/tools/checklocks/test/branches.go b/tools/checklocks/test/branches.go
deleted file mode 100644
index 81fec29e5..000000000
--- a/tools/checklocks/test/branches.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"math/rand"
-)
-
-func testInconsistentReturn(tc *oneGuardStruct) { // +checklocksfail
-	if x := rand.Intn(10); x%2 == 1 {
-		tc.mu.Lock()
-	}
-}
-
-func testConsistentBranching(tc *oneGuardStruct) {
-	x := rand.Intn(10)
-	if x%2 == 1 {
-		tc.mu.Lock()
-	} else {
-		tc.mu.Lock()
-	}
-	tc.guardedField = 1
-	if x%2 == 1 {
-		tc.mu.Unlock()
-	} else {
-		tc.mu.Unlock()
-	}
-}
-
-func testInconsistentBranching(tc *oneGuardStruct) { // +checklocksfail:2
-	// We traverse the control flow graph in all consistent ways. We cannot
-	// determine however, that the first if block and second if block will
-	// evaluate to the same condition. Therefore, there are two consistent
-	// paths through this code, and two inconsistent paths. Either way, the
-	// guardedField should be also marked as an invalid access.
-	x := rand.Intn(10)
-	if x%2 == 1 {
-		tc.mu.Lock()
-	}
-	tc.guardedField = 1 // +checklocksfail
-	if x%2 == 1 {
-		tc.mu.Unlock() // +checklocksforce
-	}
-}
diff --git a/tools/checklocks/test/closures.go b/tools/checklocks/test/closures.go
deleted file mode 100644
index 7da87540a..000000000
--- a/tools/checklocks/test/closures.go
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-func testClosureInvalid(tc *oneGuardStruct) {
-	// This is expected to fail.
-	callClosure(func() {
-		tc.guardedField = 1 // +checklocksfail
-	})
-}
-
-func testClosureUnsupported(tc *oneGuardStruct) {
-	// Locked outside the closure, so may or may not be valid. This cannot
-	// be handled and we should explicitly fail. This can't be handled
-	// because of the call through callClosure, below, which means the
-	// closure will actually be passed as a value somewhere.
-	tc.mu.Lock()
-	callClosure(func() {
-		tc.guardedField = 1 // +checklocksfail
-	})
-	tc.mu.Unlock()
-}
-
-func testClosureValid(tc *oneGuardStruct) {
-	// All locking happens within the closure. This should not present a
-	// problem for analysis.
-	callClosure(func() {
-		tc.mu.Lock()
-		tc.guardedField = 1
-		tc.mu.Unlock()
-	})
-}
-
-func testClosureInline(tc *oneGuardStruct) {
-	// If the closure is being dispatching inline only, then we should be
-	// able to analyze this call and give it a thumbs up.
-	tc.mu.Lock()
-	func() {
-		tc.guardedField = 1
-	}()
-	tc.mu.Unlock()
-}
-
-func testAnonymousInvalid(tc *oneGuardStruct) {
-	// Invalid, as per testClosureInvalid above.
-	callAnonymous(func(tc *oneGuardStruct) {
-		tc.guardedField = 1 // +checklocksfail
-	}, tc)
-}
-
-func testAnonymousUnsupported(tc *oneGuardStruct) {
-	// Not supportable, as per testClosureUnsupported above.
-	tc.mu.Lock()
-	callAnonymous(func(tc *oneGuardStruct) {
-		tc.guardedField = 1 // +checklocksfail
-	}, tc)
-	tc.mu.Unlock()
-}
-
-func testAnonymousValid(tc *oneGuardStruct) {
-	// Valid, as per testClosureValid above.
-	callAnonymous(func(tc *oneGuardStruct) {
-		tc.mu.Lock()
-		tc.guardedField = 1
-		tc.mu.Unlock()
-	}, tc)
-}
-
-func testAnonymousInline(tc *oneGuardStruct) {
-	// Unlike the closure case, we are able to dynamically infer the set of
-	// preconditions for the function dispatch and assert that this is
-	// a valid call.
-	tc.mu.Lock()
-	func(tc *oneGuardStruct) {
-		tc.guardedField = 1
-	}(tc)
-	tc.mu.Unlock()
-}
-
-//go:noinline
-func callClosure(fn func()) {
-	fn()
-}
-
-//go:noinline
-func callAnonymous(fn func(*oneGuardStruct), tc *oneGuardStruct) {
-	fn(tc)
-}
diff --git a/tools/checklocks/test/defer.go b/tools/checklocks/test/defer.go
deleted file mode 100644
index 6e574e5eb..000000000
--- a/tools/checklocks/test/defer.go
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-func testDeferValidUnlock(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	tc.guardedField = 1
-	defer tc.mu.Unlock()
-}
-
-func testDeferValidAccess(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	defer func() {
-		tc.guardedField = 1
-		tc.mu.Unlock()
-	}()
-}
-
-func testDeferInvalidAccess(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	defer func() {
-		// N.B. Executed after tc.mu.Unlock().
-		tc.guardedField = 1 // +checklocksfail
-	}()
-	tc.mu.Unlock()
-}
diff --git a/tools/checklocks/test/incompat.go b/tools/checklocks/test/incompat.go
deleted file mode 100644
index b39bc66c1..000000000
--- a/tools/checklocks/test/incompat.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"sync"
-)
-
-// unsupportedLockerStruct verifies that trying to annotate a field that is not a
-// sync.Mutex or sync.RWMutex results in a failure.
-type unsupportedLockerStruct struct {
-	mu sync.Locker
-
-	// +checklocks:mu
-	x int // +checklocksfail
-}
-
-// badFieldsStruct verifies that refering invalid fields fails.
-type badFieldsStruct struct {
-	// +checklocks:mu
-	x int // +checklocksfail
-}
-
-// redundantStruct verifies that redundant annotations fail.
-type redundantStruct struct {
-	mu sync.Mutex
-
-	// +checklocks:mu
-	// +checklocks:mu
-	x int // +checklocksfail
-}
-
-// conflictsStruct verifies that conflicting annotations fail.
-type conflictsStruct struct {
-	// +checkatomicignore
-	// +checkatomic
-	x int // +checklocksfail
-
-	// +checkatomic
-	// +checkatomicignore
-	y int // +checklocksfail
-}
diff --git a/tools/checklocks/test/methods.go b/tools/checklocks/test/methods.go
deleted file mode 100644
index 72e26fca6..000000000
--- a/tools/checklocks/test/methods.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"sync"
-)
-
-type testMethods struct {
-	mu sync.Mutex
-
-	// +checklocks:mu
-	guardedField int
-}
-
-func (t *testMethods) methodValid() {
-	t.mu.Lock()
-	t.guardedField = 1
-	t.mu.Unlock()
-}
-
-func (t *testMethods) methodInvalid() {
-	t.guardedField = 2 // +checklocksfail
-}
-
-// +checklocks:t.mu
-func (t *testMethods) MethodLocked(a, b, c int) {
-	t.guardedField = 3
-}
-
-// +checklocksignore
-func (t *testMethods) methodIgnore() {
-	t.guardedField = 2
-}
-
-func testMethodCallsValid(tc *testMethods) {
-	tc.methodValid()
-}
-
-func testMethodCallsValidPreconditions(tc *testMethods) {
-	tc.mu.Lock()
-	tc.MethodLocked(1, 2, 3)
-	tc.mu.Unlock()
-}
-
-func testMethodCallsInvalid(tc *testMethods) {
-	tc.MethodLocked(4, 5, 6) // +checklocksfail
-}
-
-func testMultipleParameters(tc1, tc2, tc3 *testMethods) {
-	tc1.mu.Lock()
-	tc1.guardedField = 1
-	tc2.guardedField = 2 // +checklocksfail
-	tc3.guardedField = 3 // +checklocksfail
-	tc1.mu.Unlock()
-}
-
-type testMethodsWithParameters struct {
-	mu sync.Mutex
-
-	// +checklocks:mu
-	guardedField int
-}
-
-type ptrToTestMethodsWithParameters *testMethodsWithParameters
-
-// +checklocks:t.mu
-// +checklocks:a.mu
-func (t *testMethodsWithParameters) methodLockedWithParameters(a *testMethodsWithParameters, b *testMethodsWithParameters) {
-	t.guardedField = a.guardedField
-	b.guardedField = a.guardedField // +checklocksfail
-}
-
-// +checklocks:t.mu
-// +checklocks:a.mu
-// +checklocks:b.mu
-func (t *testMethodsWithParameters) methodLockedWithPtrType(a *testMethodsWithParameters, b ptrToTestMethodsWithParameters) {
-	t.guardedField = a.guardedField
-	b.guardedField = a.guardedField
-}
-
-// +checklocks:a.mu
-func standaloneFunctionWithGuard(a *testMethodsWithParameters) {
-	a.guardedField = 1
-	a.mu.Unlock()
-	a.guardedField = 1 // +checklocksfail
-}
-
-type testMethodsWithEmbedded struct {
-	mu sync.Mutex
-
-	// +checklocks:mu
-	guardedField int
-	p            *testMethodsWithParameters
-}
-
-// +checklocks:t.mu
-func (t *testMethodsWithEmbedded) DoLocked(a, b *testMethodsWithParameters) {
-	t.guardedField = 1
-	a.mu.Lock()
-	b.mu.Lock()
-	t.p.methodLockedWithParameters(a, b) // +checklocksfail
-	a.mu.Unlock()
-	b.mu.Unlock()
-}
diff --git a/tools/checklocks/test/parameters.go b/tools/checklocks/test/parameters.go
deleted file mode 100644
index 5b9e664b6..000000000
--- a/tools/checklocks/test/parameters.go
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-func testParameterPassingbyAddrValid(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	nestedWithGuardByAddr(&tc.guardedField, &tc.unguardedField)
-	tc.mu.Unlock()
-}
-
-func testParameterPassingByAddrInalid(tc *oneGuardStruct) {
-	nestedWithGuardByAddr(&tc.guardedField, &tc.unguardedField) // +checklocksfail
-}
-
-func testParameterPassingByValueValid(tc *oneGuardStruct) {
-	tc.mu.Lock()
-	nestedWithGuardByValue(tc.guardedField, tc.unguardedField)
-	tc.mu.Unlock()
-}
-
-func testParameterPassingByValueInalid(tc *oneGuardStruct) {
-	nestedWithGuardByValue(tc.guardedField, tc.unguardedField) // +checklocksfail
-}
-
-func nestedWithGuardByAddr(guardedField, unguardedField *int) {
-	*guardedField = 4
-	*unguardedField = 5
-}
-
-func nestedWithGuardByValue(guardedField, unguardedField int) {
-	// read the fields to keep SA4009 static analyzer happy.
-	_ = guardedField
-	_ = unguardedField
-	guardedField = 4
-	unguardedField = 5
-}
diff --git a/tools/checklocks/test/return.go b/tools/checklocks/test/return.go
deleted file mode 100644
index 47c7b6773..000000000
--- a/tools/checklocks/test/return.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-// +checklocks:tc.mu
-func testReturnInvalidGuard() (tc *oneGuardStruct) { // +checklocksfail
-	return new(oneGuardStruct)
-}
-
-// +checklocksrelease:tc.mu
-func testReturnInvalidRelease() (tc *oneGuardStruct) { // +checklocksfail
-	return new(oneGuardStruct)
-}
-
-// +checklocksacquire:tc.mu
-func testReturnInvalidAcquire() (tc *oneGuardStruct) {
-	return new(oneGuardStruct) // +checklocksfail
-}
-
-// +checklocksacquire:tc.mu
-func testReturnValidAcquire() (tc *oneGuardStruct) {
-	tc = new(oneGuardStruct)
-	tc.mu.Lock()
-	return tc
-}
-
-func testReturnAcquireCall() {
-	tc := testReturnValidAcquire()
-	tc.guardedField = 1
-	tc.mu.Unlock()
-}
-
-// +checklocksacquire:tc.val.mu
-// +checklocksacquire:tc.ptr.mu
-func testReturnValidNestedAcquire() (tc *nestedGuardStruct) {
-	tc = new(nestedGuardStruct)
-	tc.ptr = new(oneGuardStruct)
-	tc.val.mu.Lock()
-	tc.ptr.mu.Lock()
-	return tc
-}
-
-func testReturnNestedAcquireCall() {
-	tc := testReturnValidNestedAcquire()
-	tc.val.guardedField = 1
-	tc.ptr.guardedField = 1
-	tc.val.mu.Unlock()
-	tc.ptr.mu.Unlock()
-}
diff --git a/tools/checklocks/test/rwmutex.go b/tools/checklocks/test/rwmutex.go
deleted file mode 100644
index d27ed10e3..000000000
--- a/tools/checklocks/test/rwmutex.go
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package test
-
-import (
-	"sync"
-)
-
-// oneReadGuardStruct has one read-guarded field.
-type oneReadGuardStruct struct {
-	mu sync.RWMutex
-	// +checklocks:mu
-	guardedField int
-}
-
-func testRWAccessValidRead(tc *oneReadGuardStruct) {
-	tc.mu.Lock()
-	_ = tc.guardedField
-	tc.mu.Unlock()
-	tc.mu.RLock()
-	_ = tc.guardedField
-	tc.mu.RUnlock()
-}
-
-func testRWAccessValidWrite(tc *oneReadGuardStruct) {
-	tc.mu.Lock()
-	tc.guardedField = 1
-	tc.mu.Unlock()
-}
-
-func testRWAccessInvalidWrite(tc *oneReadGuardStruct) {
-	tc.guardedField = 2 // +checklocksfail
-	tc.mu.RLock()
-	tc.guardedField = 2 // +checklocksfail
-	tc.mu.RUnlock()
-}
-
-func testRWAccessInvalidRead(tc *oneReadGuardStruct) {
-	_ = tc.guardedField // +checklocksfail
-}
diff --git a/tools/checklocks/test/test.go b/tools/checklocks/test/test.go
deleted file mode 100644
index cbf6b1635..000000000
--- a/tools/checklocks/test/test.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package test is a test package.
-//
-// Tests are all compilation tests in separate files.
-package test
-
-import (
-	"sync"
-)
-
-// oneGuardStruct has one guarded field.
-type oneGuardStruct struct {
-	mu sync.Mutex
-	// +checklocks:mu
-	guardedField   int
-	unguardedField int
-}
-
-// twoGuardStruct has two guarded fields.
-type twoGuardStruct struct {
-	mu sync.Mutex
-	// +checklocks:mu
-	guardedField1 int
-	// +checklocks:mu
-	guardedField2 int
-}
-
-// twoLocksStruct has two locks and two fields.
-type twoLocksStruct struct {
-	mu       sync.Mutex
-	secondMu sync.Mutex
-	// +checklocks:mu
-	guardedField1 int
-	// +checklocks:secondMu
-	guardedField2 int
-}
-
-// twoLocksDoubleGuardStruct has two locks and a single field with two guards.
-type twoLocksDoubleGuardStruct struct {
-	mu       sync.Mutex
-	secondMu sync.Mutex
-	// +checklocks:mu
-	// +checklocks:secondMu
-	doubleGuardedField int
-}
-
-// nestedGuardStruct nests oneGuardStruct fields.
-type nestedGuardStruct struct {
-	val oneGuardStruct
-	ptr *oneGuardStruct
-}