diff --git a/acceptance/server_test.go b/acceptance/server_test.go
index 21bf76556..be5dafed3 100644
--- a/acceptance/server_test.go
+++ b/acceptance/server_test.go
@@ -1,7 +1,6 @@
 package acceptance_test
 
 import (
-	"context"
 	"net/http"
 	"testing"
 
@@ -13,7 +12,7 @@ import (
 )
 
 func StartServer(t *testing.T) *testserver.Server {
-	server := testserver.New(context.Background(), t)
+	server := testserver.New(t)
 	t.Cleanup(func() {
 		server.Close()
 	})
diff --git a/acceptance/workspace/jobs/create/server.json b/acceptance/workspace/jobs/create/server.json
index 52c83fe4e..79eb75aac 100644
--- a/acceptance/workspace/jobs/create/server.json
+++ b/acceptance/workspace/jobs/create/server.json
@@ -2,15 +2,6 @@
   {
     "method": "POST",
     "path": "/api/2.1/jobs/create",
-    "request": {
-      "headers": {
-        "Authorization": "Bearer acceptance-test-token",
-        "User-Agent": "cli/[SEMVER] databricks-sdk-go/[SEMVER] go/[SEMVER] os/[OS] cmd/jobs_create cmd-exec-id/<UUID> auth/pat"
-      },
-      "body": {
-        "name": "abc"
-      }
-    },
     "response": {
       "body": {
         "job_id": 1111
diff --git a/libs/testdiff/replacement.go b/libs/testdiff/replacement.go
index 8b75c70b3..ca76b159c 100644
--- a/libs/testdiff/replacement.go
+++ b/libs/testdiff/replacement.go
@@ -9,13 +9,10 @@ import (
 	"slices"
 	"strings"
 
-	"github.com/databricks/cli/internal/build"
 	"github.com/databricks/cli/internal/testutil"
 	"github.com/databricks/cli/libs/iamutil"
 	"github.com/databricks/databricks-sdk-go"
 	"github.com/databricks/databricks-sdk-go/service/iam"
-	"github.com/databricks/databricks-sdk-go/version"
-	"golang.org/x/mod/semver"
 )
 
 const (
@@ -23,8 +20,6 @@ const (
 )
 
 var (
-	// source: https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string
-	semverRegex      = regexp.MustCompile(`(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?`)
 	uuidRegex        = regexp.MustCompile(`[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}`)
 	numIdRegex       = regexp.MustCompile(`[0-9]{3,}`)
 	privatePathRegex = regexp.MustCompile(`(/tmp|/private)(/.*)/([a-zA-Z0-9]+)`)
@@ -200,35 +195,3 @@ func PrepareReplacementsTemporaryDirectory(t testutil.TestingT, r *ReplacementsC
 	t.Helper()
 	r.append(privatePathRegex, "/tmp/.../$3")
 }
-
-// cli/0.0.0-dev databricks-sdk-go/0.55.0 go/1.23.4 os/darwin cmd/jobs_create cmd-exec-id/2222ca79-6a7e-4e8a-9e89-73392f8a2f09 auth/pat
-
-func PrepareReplacementVersions(t testutil.TestingT, r *ReplacementsContext) {
-	t.Helper()
-	r.Set(version.Version, "$GO_SDK_VERSION")
-
-	buildInfo := build.GetInfo()
-	// test build versions can contain build metadata in their semver. Add a regex to match that.
-	// TODO: This does not work. Fix it.
-	cliVersionRegex := regexp.MustCompile(buildInfo.Version + `(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?`)
-	r.append(cliVersionRegex, "$CLI_VERSION")
-
-	r.Set(goVersion(), "$GO_VERSION")
-}
-
-func goVersion() string {
-	gv := runtime.Version()
-	ssv := strings.ReplaceAll(gv, "go", "v")
-	sv := semver.Canonical(ssv)
-	return strings.TrimPrefix(sv, "v")
-}
-
-func PrepareReplacementsSemver(t testutil.TestingT, r *ReplacementsContext) {
-	t.Helper()
-	r.append(semverRegex, "[SEMVER]")
-}
-
-func PrepareReplacementOS(t testutil.TestingT, r *ReplacementsContext) {
-	t.Helper()
-	r.Set(runtime.GOOS, "[OS]")
-}
diff --git a/libs/testdiff/replacement_test.go b/libs/testdiff/replacement_test.go
index 764f6db79..de247c03e 100644
--- a/libs/testdiff/replacement_test.go
+++ b/libs/testdiff/replacement_test.go
@@ -1,7 +1,6 @@
 package testdiff
 
 import (
-	"runtime"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -45,21 +44,3 @@ func TestReplacement_TemporaryDirectory(t *testing.T) {
 
 	assert.Equal(t, "/tmp/.../tail", repls.Replace("/tmp/foo/bar/qux/tail"))
 }
-
-func TestReplacement_OS(t *testing.T) {
-	var repls ReplacementsContext
-
-	PrepareReplacementOS(t, &repls)
-
-	assert.Equal(t, "[OS]", repls.Replace(runtime.GOOS))
-}
-
-func TestReplacement_Semver(t *testing.T) {
-	var repls ReplacementsContext
-
-	PrepareReplacementsSemver(t, &repls)
-
-	assert.Equal(t, "[SEMVER]", repls.Replace("1.2.3"))
-	assert.Equal(t, "[SEMVER]", repls.Replace("1.2.3-alpha"))
-	assert.Equal(t, "[SEMVER]", repls.Replace("1.2.3-alpha+build"))
-}
diff --git a/libs/testserver/server.go b/libs/testserver/server.go
index d160f400b..4377ebe71 100644
--- a/libs/testserver/server.go
+++ b/libs/testserver/server.go
@@ -1,14 +1,11 @@
 package testserver
 
 import (
-	"context"
 	"encoding/json"
-	"io"
 	"net/http"
 	"net/http/httptest"
 
 	"github.com/databricks/cli/internal/testutil"
-	"github.com/databricks/cli/libs/testdiff"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -17,26 +14,21 @@ type Server struct {
 	*httptest.Server
 	Mux *http.ServeMux
 
-	t   testutil.TestingT
-	ctx context.Context
+	t testutil.TestingT
 
 	// API calls that we expect to be made.
 	calledPatterns map[string]bool
 }
 
 type ApiSpec struct {
-	Method  string `json:"method"`
-	Path    string `json:"path"`
-	Request struct {
-		Headers map[string]string `json:"headers"`
-		Body    json.RawMessage   `json:"body"`
-	} `json:"request"`
+	Method   string `json:"method"`
+	Path     string `json:"path"`
 	Response struct {
 		Body json.RawMessage `json:"body"`
 	} `json:"response"`
 }
 
-func New(ctx context.Context, t testutil.TestingT) *Server {
+func New(t testutil.TestingT) *Server {
 	mux := http.NewServeMux()
 	server := httptest.NewServer(mux)
 
@@ -44,7 +36,6 @@ func New(ctx context.Context, t testutil.TestingT) *Server {
 		Server:         server,
 		Mux:            mux,
 		t:              t,
-		ctx:            ctx,
 		calledPatterns: make(map[string]bool),
 	}
 }
@@ -55,13 +46,7 @@ func NewFromConfig(t testutil.TestingT, path string) *Server {
 	err := json.Unmarshal([]byte(content), &apiSpecs)
 	require.NoError(t, err)
 
-	ctx, replacements := testdiff.WithReplacementsMap(context.Background())
-	testdiff.PrepareReplacementOS(t, replacements)
-	testdiff.PrepareReplacementsUUID(t, replacements)
-	testdiff.PrepareReplacementVersions(t, replacements)
-	// testdiff.PrepareReplacementsSemver(t, replacements)
-
-	server := New(ctx, t)
+	server := New(t)
 	for _, apiSpec := range apiSpecs {
 		server.MustHandle(apiSpec)
 	}
@@ -72,28 +57,18 @@ func NewFromConfig(t testutil.TestingT, path string) *Server {
 type HandlerFunc func(req *http.Request) (resp any, err error)
 
 func (s *Server) MustHandle(apiSpec ApiSpec) {
-	require.NotEmpty(s.t, apiSpec.Method)
-	require.NotEmpty(s.t, apiSpec.Path)
+	assert.NotEmpty(s.t, apiSpec.Method)
+	assert.NotEmpty(s.t, apiSpec.Path)
 
 	pattern := apiSpec.Method + " " + apiSpec.Path
 	s.calledPatterns[pattern] = false
 
 	s.Handle(pattern, func(req *http.Request) (any, error) {
-		for k, v := range apiSpec.Request.Headers {
-			testdiff.AssertEqualStrings(s.t, s.ctx, v, req.Header.Get(k))
-		}
-
-		b, err := io.ReadAll(req.Body)
-		require.NoError(s.t, err)
-
-		// Assert that the request body matches the expected body.
-		assert.JSONEq(s.t, string(apiSpec.Request.Body), string(b))
-
 		// Record the fact that this pattern was called.
 		s.calledPatterns[pattern] = true
 
 		// Return the expected response body.
-		return apiSpec.Response.Body, err
+		return apiSpec.Response.Body, nil
 	})
 }