diff --git a/go.mod b/go.mod
index 88ea914a..ebb7a6e1 100644
--- a/go.mod
+++ b/go.mod
@@ -37,9 +37,9 @@ require (
 	go.opentelemetry.io/otel v1.29.0 // indirect
 	go.opentelemetry.io/otel/trace v1.29.0 // indirect
 	go.uber.org/goleak v1.3.0 // indirect
-	golang.org/x/crypto v0.46.0 // indirect
+	golang.org/x/crypto v0.52.0 // indirect
 	golang.org/x/sync v0.21.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/sys v0.45.0 // indirect
 	golang.org/x/text v0.38.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 43b62e6e..bda8dfb8 100644
--- a/go.sum
+++ b/go.sum
@@ -75,12 +75,12 @@ go.opentelemetry.io/otel/trace v1.29.0 h1:J/8ZNK4XgR7a21DZUAsbF8pZ5Jcw1VhACmnYt3
 go.opentelemetry.io/otel/trace v1.29.0/go.mod h1:eHl3w0sp3paPkYstJOmAimxhiFXPg+MMTlEh3nsQgWQ=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
+golang.org/x/crypto v0.52.0 h1:RMs7fP2rXdep0CftQlK8Uf+kibLm7qkCcradZWYz988=
+golang.org/x/crypto v0.52.0/go.mod h1:1QgfPxDqh0T2M/elOJtp9RvuR95kVjir0e6/BvEmGbc=
 golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
 golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
-golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
-golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY=
+golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.38.0 h1:sXmwo9DwP3OK9EZ7PqAdaooSGozfl/3a6/xJcbzPRhE=
 golang.org/x/text v0.38.0/go.mod h1:YXZt3QhHUKYT53r2lLKFIVi6Ao1jdzrTR/KQ09qyxF4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/handler_api_endpoint_test.go b/handler_api_endpoint_test.go
index b555f54d..b6bab195 100644
--- a/handler_api_endpoint_test.go
+++ b/handler_api_endpoint_test.go
@@ -245,9 +245,7 @@ func TestAPIHandlerFeaturesGet(t *testing.T) {
 		// DisableSchemaSharing is required because we're making DB schema changes.
 		endpoint, bundle := setupEndpointWithOpts(ctx, t, newFeaturesGetEndpoint, &riverdbtest.TestTxOpts{DisableSchemaSharing: true})
 
-		_, err := bundle.tx.Exec(ctx, `DROP TABLE IF EXISTS river_client CASCADE;`)
-		require.NoError(t, err)
-		_, err = bundle.tx.Exec(ctx, `DROP TABLE IF EXISTS river_job_sequence;`)
+		_, err := bundle.tx.Exec(ctx, `DROP TABLE IF EXISTS river_job_sequence;`)
 		require.NoError(t, err)
 		_, err = bundle.tx.Exec(ctx, `DROP TABLE IF EXISTS river_producer;`)
 		require.NoError(t, err)
@@ -270,9 +268,7 @@ func TestAPIHandlerFeaturesGet(t *testing.T) {
 		// DisableSchemaSharing is required because we're making DB schema changes.
 		endpoint, bundle := setupEndpointWithOpts(ctx, t, newFeaturesGetEndpoint, &riverdbtest.TestTxOpts{DisableSchemaSharing: true})
 
-		_, err := bundle.tx.Exec(ctx, `CREATE TABLE IF NOT EXISTS river_client (id SERIAL PRIMARY KEY);`)
-		require.NoError(t, err)
-		_, err = bundle.tx.Exec(ctx, `CREATE TABLE IF NOT EXISTS river_job_sequence (id SERIAL PRIMARY KEY);`)
+		_, err := bundle.tx.Exec(ctx, `CREATE TABLE IF NOT EXISTS river_job_sequence (id SERIAL PRIMARY KEY);`)
 		require.NoError(t, err)
 		_, err = bundle.tx.Exec(ctx, `CREATE TABLE IF NOT EXISTS river_producer (id SERIAL PRIMARY KEY);`)
 		require.NoError(t, err)
diff --git a/riverproui/endpoints.go b/riverproui/endpoints.go
index 387f4174..2ed66a2d 100644
--- a/riverproui/endpoints.go
+++ b/riverproui/endpoints.go
@@ -90,14 +90,6 @@ func (e *endpoints[TTx]) Extensions(ctx context.Context) (map[string]bool, error
 	}
 	defer execTx.Rollback(ctx)
 
-	hasClientTable, err := execTx.TableExists(ctx, &riverdriver.TableExistsParams{
-		Schema: schema,
-		Table:  "river_client",
-	})
-	if err != nil {
-		return nil, err
-	}
-
 	hasPeriodicJobTable, err := execTx.TableExists(ctx, &riverdriver.TableExistsParams{
 		Schema: schema,
 		Table:  "river_periodic_job",
@@ -131,7 +123,6 @@ func (e *endpoints[TTx]) Extensions(ctx context.Context) (map[string]bool, error
 		"durable_periodic_jobs": hasPeriodicJobTable,
 		"producer_queries":      true,
 		"workflow_queries":      hasWorkflowV2Tables,
-		"has_client_table":      hasClientTable,
 		"has_producer_table":    hasProducerTable,
 		"has_sequence_table":    hasSequenceTable,
 	}, nil
diff --git a/riverproui/endpoints_test.go b/riverproui/endpoints_test.go
index 1c6d926f..5282892e 100644
--- a/riverproui/endpoints_test.go
+++ b/riverproui/endpoints_test.go
@@ -95,36 +95,6 @@ func TestProEndpointsExtensions(t *testing.T) {
 		})
 	})
 
-	t.Run("ClientTableDetection", func(t *testing.T) { //nolint:dupl
-		t.Parallel()
-
-		t.Run("NoClientTable", func(t *testing.T) {
-			t.Parallel()
-
-			bundle := setup(ctx, t)
-
-			_, err := bundle.tx.Exec(ctx, `DROP TABLE IF EXISTS river_client CASCADE;`)
-			require.NoError(t, err)
-
-			ext, err := bundle.endpoint.Extensions(ctx)
-			require.NoError(t, err)
-			require.False(t, ext["has_client_table"])
-		})
-
-		t.Run("WithClientTable", func(t *testing.T) {
-			t.Parallel()
-
-			bundle := setup(ctx, t)
-
-			_, err := bundle.tx.Exec(ctx, `CREATE TABLE IF NOT EXISTS river_client (id SERIAL PRIMARY KEY);`)
-			require.NoError(t, err)
-
-			ext, err := bundle.endpoint.Extensions(ctx)
-			require.NoError(t, err)
-			require.True(t, ext["has_client_table"])
-		})
-	})
-
 	t.Run("ProducerTableDetection", func(t *testing.T) { //nolint:dupl
 		t.Parallel()
 
diff --git a/riverproui/pro_handler_test.go b/riverproui/pro_handler_test.go
index 1add446a..5267f075 100644
--- a/riverproui/pro_handler_test.go
+++ b/riverproui/pro_handler_test.go
@@ -186,7 +186,6 @@ func TestProMountedEndpointResponses(t *testing.T) {
 	// Static flags always true; dynamic flags should also be true because pro migrations run for tests
 	expectedExtensions := map[string]bool{
 		"durable_periodic_jobs": true, // dynamic
-		"has_client_table":      true, // dynamic
 		"has_producer_table":    true, // dynamic
 		"has_sequence_table":    true, // dynamic
 		"producer_queries":      true, // static
diff --git a/src/App.tsx b/src/App.tsx
index 48535d3a..7275187f 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -29,7 +29,6 @@ const router = createRouter({
   basepath: getBasePath(),
   context: {
     features: {
-      hasClientTable: false,
       hasProducerTable: false,
       producerQueries: false,
       workflowQueries: false,
diff --git a/src/components/WorkflowDetail.test.tsx b/src/components/WorkflowDetail.test.tsx
index 444cbc83..3b59f709 100644
--- a/src/components/WorkflowDetail.test.tsx
+++ b/src/components/WorkflowDetail.test.tsx
@@ -42,7 +42,6 @@ vi.mock("@components/workflow-diagram/WorkflowDiagram", () => ({
 
 const features: Features = {
   durablePeriodicJobs: false,
-  hasClientTable: false,
   hasProducerTable: true,
   hasSequenceTable: false,
   jobListHideArgsByDefault: false,
diff --git a/src/services/features.test.ts b/src/services/features.test.ts
index 31d9cc62..e1b64284 100644
--- a/src/services/features.test.ts
+++ b/src/services/features.test.ts
@@ -7,7 +7,6 @@ describe("apiFeaturesToFeatures", () => {
     const apiFeatures = {
       extensions: {
         durable_periodic_jobs: true,
-        has_client_table: true,
         has_producer_table: true,
         producer_queries: true,
         workflow_queries: true,
@@ -17,7 +16,6 @@ describe("apiFeaturesToFeatures", () => {
 
     const expected = {
       durablePeriodicJobs: true,
-      hasClientTable: true,
       hasProducerTable: true,
       hasSequenceTable: false,
       jobListHideArgsByDefault: true,
@@ -32,7 +30,6 @@ describe("apiFeaturesToFeatures", () => {
     const apiFeatures = {
       extensions: {
         durable_periodic_jobs: false,
-        has_client_table: false,
         has_producer_table: false,
         producer_queries: false,
         workflow_queries: false,
@@ -42,7 +39,6 @@ describe("apiFeaturesToFeatures", () => {
 
     const expected = {
       durablePeriodicJobs: false,
-      hasClientTable: false,
       hasProducerTable: false,
       hasSequenceTable: false,
       jobListHideArgsByDefault: false,
diff --git a/src/services/features.ts b/src/services/features.ts
index a3d876db..b7cd9c5a 100644
--- a/src/services/features.ts
+++ b/src/services/features.ts
@@ -20,7 +20,6 @@ const KNOWN_EXTENSIONS = [
   "durable_periodic_jobs",
   "producer_queries",
   "workflow_queries",
-  "has_client_table",
   "has_producer_table",
   "has_sequence_table",
 ] as const;
diff --git a/src/test/utils/features.ts b/src/test/utils/features.ts
index d7f73952..ca04b79f 100644
--- a/src/test/utils/features.ts
+++ b/src/test/utils/features.ts
@@ -4,7 +4,6 @@ export const createFeatures = (
   overrides: Partial<Features> = {},
 ): Features => ({
   durablePeriodicJobs: false,
-  hasClientTable: false,
   hasProducerTable: false,
   hasSequenceTable: false,
   jobListHideArgsByDefault: false,