diff --git a/receiver/awsfirehosereceiver/factory.go b/receiver/awsfirehosereceiver/factory.go
index 5058ad42064d..1e6b2347276f 100644
--- a/receiver/awsfirehosereceiver/factory.go
+++ b/receiver/awsfirehosereceiver/factory.go
@@ -13,7 +13,6 @@ import (
 	"go.opentelemetry.io/collector/receiver"
 	"go.uber.org/zap"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awsfirehosereceiver/internal/metadata"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awsfirehosereceiver/internal/unmarshaler"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awsfirehosereceiver/internal/unmarshaler/cwlog"
@@ -22,8 +21,7 @@ import (
 )
 
 const (
-	defaultEndpoint = "0.0.0.0:4433"
-	defaultPort     = 4433
+	defaultEndpoint = "localhost:4433"
 )
 
 var (
@@ -78,7 +76,7 @@ func defaultLogsUnmarshalers(logger *zap.Logger) map[string]unmarshaler.LogsUnma
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 	}
 }
diff --git a/receiver/awsxrayreceiver/factory.go b/receiver/awsxrayreceiver/factory.go
index e0c802fa4778..d739fb14f807 100644
--- a/receiver/awsxrayreceiver/factory.go
+++ b/receiver/awsxrayreceiver/factory.go
@@ -12,12 +12,11 @@ import (
 	"go.opentelemetry.io/collector/receiver"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/proxy"
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awsxrayreceiver/internal/metadata"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awsxrayreceiver/internal/udppoller"
 )
 
-const defaultPort = 2000
+const defaultEndpoint = "localhost:2000"
 
 // NewFactory creates a factory for AWS receiver.
 func NewFactory() receiver.Factory {
@@ -33,7 +32,7 @@ func createDefaultConfig() component.Config {
 	// https://github.com/aws/aws-xray-daemon/blob/master/pkg/cfg/cfg.go#L99
 	return &Config{
 		AddrConfig: confignet.AddrConfig{
-			Endpoint:  testutil.EndpointForPort(defaultPort),
+			Endpoint:  defaultEndpoint,
 			Transport: udppoller.Transport,
 		},
 		ProxyServer: proxy.DefaultConfig(),
diff --git a/receiver/influxdbreceiver/factory.go b/receiver/influxdbreceiver/factory.go
index 46f625bbf40b..0bad4bcdc7d4 100644
--- a/receiver/influxdbreceiver/factory.go
+++ b/receiver/influxdbreceiver/factory.go
@@ -11,11 +11,10 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/influxdbreceiver/internal/metadata"
 )
 
-const defaultPort = 8086
+const defaultEndpoint = "localhost:8086"
 
 func NewFactory() receiver.Factory {
 	return receiver.NewFactory(
@@ -28,7 +27,7 @@ func NewFactory() receiver.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 	}
 }
diff --git a/receiver/jaegerreceiver/factory.go b/receiver/jaegerreceiver/factory.go
index 7519e9148fbc..92d1f0cf5af9 100644
--- a/receiver/jaegerreceiver/factory.go
+++ b/receiver/jaegerreceiver/factory.go
@@ -16,7 +16,6 @@ import (
 	"go.opentelemetry.io/collector/featuregate"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jaegerreceiver/internal/metadata"
 )
 
@@ -27,11 +26,11 @@ const (
 	protoThriftBinary  = "thrift_binary"
 	protoThriftCompact = "thrift_compact"
 
-	// Default ports to bind to.
-	defaultGRPCPort          = 14250
-	defaultHTTPPort          = 14268
-	defaultThriftCompactPort = 6831
-	defaultThriftBinaryPort  = 6832
+	// Default endpoints to bind to.
+	defaultGRPCEndpoint          = "localhost:14250"
+	defaultHTTPEndpoint          = "localhost:14268"
+	defaultThriftCompactEndpoint = "localhost:6831"
+	defaultThriftBinaryEndpoint  = "localhost:6832"
 )
 
 var disableJaegerReceiverRemoteSampling = featuregate.GlobalRegistry().MustRegister(
@@ -54,19 +53,19 @@ func createDefaultConfig() component.Config {
 		Protocols: Protocols{
 			GRPC: &configgrpc.ServerConfig{
 				NetAddr: confignet.AddrConfig{
-					Endpoint:  testutil.EndpointForPort(defaultGRPCPort),
+					Endpoint:  defaultGRPCEndpoint,
 					Transport: confignet.TransportTypeTCP,
 				},
 			},
 			ThriftHTTP: &confighttp.ServerConfig{
-				Endpoint: testutil.EndpointForPort(defaultHTTPPort),
+				Endpoint: defaultHTTPEndpoint,
 			},
 			ThriftBinary: &ProtocolUDP{
-				Endpoint:        testutil.EndpointForPort(defaultThriftBinaryPort),
+				Endpoint:        defaultThriftBinaryEndpoint,
 				ServerConfigUDP: defaultServerConfigUDP(),
 			},
 			ThriftCompact: &ProtocolUDP{
-				Endpoint:        testutil.EndpointForPort(defaultThriftCompactPort),
+				Endpoint:        defaultThriftCompactEndpoint,
 				ServerConfigUDP: defaultServerConfigUDP(),
 			},
 		},
diff --git a/receiver/lokireceiver/factory.go b/receiver/lokireceiver/factory.go
index 8faa7d0d128c..b645545f68f2 100644
--- a/receiver/lokireceiver/factory.go
+++ b/receiver/lokireceiver/factory.go
@@ -15,15 +15,12 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal/metadata"
 )
 
 const (
-	defaultGRPCPort         = 3600
-	defaultHTTPPort         = 3500
-	defaultGRPCBindEndpoint = "0.0.0.0:3600"
-	defaultHTTPBindEndpoint = "0.0.0.0:3500"
+	defaultGRPCEndpoint = "localhost:3600"
+	defaultHTTPEndpoint = "localhost:3500"
 )
 
 // NewFactory return a new receiver.Factory for loki receiver.
@@ -39,12 +36,12 @@ func createDefaultConfig() component.Config {
 		Protocols: Protocols{
 			GRPC: &configgrpc.ServerConfig{
 				NetAddr: confignet.AddrConfig{
-					Endpoint:  testutil.EndpointForPort(defaultGRPCPort),
+					Endpoint:  defaultGRPCEndpoint,
 					Transport: confignet.TransportTypeTCP,
 				},
 			},
 			HTTP: &confighttp.ServerConfig{
-				Endpoint: testutil.EndpointForPort(defaultHTTPPort),
+				Endpoint: defaultHTTPEndpoint,
 			},
 		},
 	}
diff --git a/receiver/lokireceiver/factory_test.go b/receiver/lokireceiver/factory_test.go
index 608d57587dff..8866bffa9848 100644
--- a/receiver/lokireceiver/factory_test.go
+++ b/receiver/lokireceiver/factory_test.go
@@ -27,7 +27,7 @@ func TestCreateReceiver(t *testing.T) {
 	cfg := factory.CreateDefaultConfig()
 	cfg.(*Config).Protocols.GRPC = &configgrpc.ServerConfig{
 		NetAddr: confignet.AddrConfig{
-			Endpoint:  defaultGRPCBindEndpoint,
+			Endpoint:  defaultGRPCEndpoint,
 			Transport: confignet.TransportTypeTCP,
 		},
 	}
diff --git a/receiver/opencensusreceiver/factory.go b/receiver/opencensusreceiver/factory.go
index d406b1d6e911..be1633df2088 100644
--- a/receiver/opencensusreceiver/factory.go
+++ b/receiver/opencensusreceiver/factory.go
@@ -12,12 +12,11 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/opencensusreceiver/internal/metadata"
 )
 
-const grpcPort = 55678
+const grpcEndpoint = "localhost:55678"
 
 // NewFactory creates a new OpenCensus receiver factory.
 func NewFactory() receiver.Factory {
@@ -32,7 +31,7 @@ func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: configgrpc.ServerConfig{
 			NetAddr: confignet.AddrConfig{
-				Endpoint:  testutil.EndpointForPort(grpcPort),
+				Endpoint:  grpcEndpoint,
 				Transport: confignet.TransportTypeTCP,
 			},
 			// We almost write 0 bytes, so no need to tune WriteBufferSize.
diff --git a/receiver/sapmreceiver/factory.go b/receiver/sapmreceiver/factory.go
index dabaa4a6871d..f15b5e393e3d 100644
--- a/receiver/sapmreceiver/factory.go
+++ b/receiver/sapmreceiver/factory.go
@@ -17,13 +17,12 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/sapmreceiver/internal/metadata"
 )
 
 const (
-	// Default port to bind to.
-	defaultPort = 7276
+	// Default endpoint to bind to.
+	defaultEndpoint = "localhost:7276"
 )
 
 // NewFactory creates a factory for SAPM receiver.
@@ -37,7 +36,7 @@ func NewFactory() receiver.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 	}
 }
diff --git a/receiver/signalfxreceiver/factory.go b/receiver/signalfxreceiver/factory.go
index 428fdd2237cd..e115f1d8d9a4 100644
--- a/receiver/signalfxreceiver/factory.go
+++ b/receiver/signalfxreceiver/factory.go
@@ -16,7 +16,6 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/signalfxreceiver/internal/metadata"
 )
 
@@ -24,8 +23,8 @@ import (
 
 const (
 
-	// Default port to bind to.
-	defaultPort = 9943
+	// Default endpoint to bind to.
+	defaultEndpoint = "localhost:9943"
 )
 
 // NewFactory creates a factory for SignalFx receiver.
@@ -40,7 +39,7 @@ func NewFactory() receiver.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 	}
 }
diff --git a/receiver/skywalkingreceiver/factory.go b/receiver/skywalkingreceiver/factory.go
index 933e97ca06bd..e376718870a2 100644
--- a/receiver/skywalkingreceiver/factory.go
+++ b/receiver/skywalkingreceiver/factory.go
@@ -19,7 +19,6 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/skywalkingreceiver/internal/metadata"
 )
@@ -29,9 +28,9 @@ const (
 	protoGRPC = "grpc"
 	protoHTTP = "http"
 
-	// Default ports to bind to.
-	defaultGRPCPort = 11800
-	defaultHTTPPort = 12800
+	// Default endpoints to bind to.
+	defaultGRPCEndpoint = "localhost:11800"
+	defaultHTTPEndpoint = "localhost:12800"
 )
 
 // NewFactory creates a new Skywalking receiver factory.
@@ -49,12 +48,12 @@ func createDefaultConfig() component.Config {
 		Protocols: Protocols{
 			GRPC: &configgrpc.ServerConfig{
 				NetAddr: confignet.AddrConfig{
-					Endpoint:  testutil.EndpointForPort(defaultGRPCPort),
+					Endpoint:  defaultGRPCEndpoint,
 					Transport: confignet.TransportTypeTCP,
 				},
 			},
 			HTTP: &confighttp.ServerConfig{
-				Endpoint: testutil.EndpointForPort(defaultHTTPPort),
+				Endpoint: defaultHTTPEndpoint,
 			},
 		},
 	}
diff --git a/receiver/splunkhecreceiver/factory.go b/receiver/splunkhecreceiver/factory.go
index ffbd2ad9f534..916f2d8c651c 100644
--- a/receiver/splunkhecreceiver/factory.go
+++ b/receiver/splunkhecreceiver/factory.go
@@ -12,7 +12,6 @@ import (
 	"go.opentelemetry.io/collector/receiver"
 	conventions "go.opentelemetry.io/collector/semconv/v1.27.0"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/splunk"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/splunkhecreceiver/internal/metadata"
@@ -21,8 +20,8 @@ import (
 // This file implements factory for Splunk HEC receiver.
 
 const (
-	// Default endpoints to bind to.
-	defaultPort = 8088
+	// Default endpoint to bind to.
+	defaultEndpoint = "localhost:8088"
 )
 
 // NewFactory creates a factory for Splunk HEC receiver.
@@ -38,7 +37,7 @@ func NewFactory() receiver.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 		AccessTokenPassthroughConfig: splunk.AccessTokenPassthroughConfig{},
 		HecToOtelAttrs: splunk.HecToOtelAttrs{
diff --git a/receiver/zipkinreceiver/factory.go b/receiver/zipkinreceiver/factory.go
index dd86d7d9c477..d4bdbf9342db 100644
--- a/receiver/zipkinreceiver/factory.go
+++ b/receiver/zipkinreceiver/factory.go
@@ -11,15 +11,13 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/zipkinreceiver/internal/metadata"
 )
 
 // This file implements factory for Zipkin receiver.
 
 const (
-	defaultHTTPPort     = 9411
-	defaultBindEndpoint = "localhost:9411"
+	defaultHTTPEndpoint = "localhost:9411"
 )
 
 // NewFactory creates a new Zipkin receiver factory
@@ -35,7 +33,7 @@ func NewFactory() receiver.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		ServerConfig: confighttp.ServerConfig{
-			Endpoint: testutil.EndpointForPort(defaultHTTPPort),
+			Endpoint: defaultHTTPEndpoint,
 		},
 		ParseStringTags: false,
 	}
diff --git a/receiver/zookeeperreceiver/factory.go b/receiver/zookeeperreceiver/factory.go
index 57cdbf82276a..2aded7155e7f 100644
--- a/receiver/zookeeperreceiver/factory.go
+++ b/receiver/zookeeperreceiver/factory.go
@@ -14,12 +14,11 @@ import (
 	"go.opentelemetry.io/collector/scraper"
 	"go.opentelemetry.io/collector/scraper/scraperhelper"
 
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/zookeeperreceiver/internal/metadata"
 )
 
 const (
-	defaultPort               = 2181
+	defaultEndpoint           = "localhost:2181"
 	defaultCollectionInterval = 10 * time.Second
 	defaultTimeout            = 10 * time.Second
 )
@@ -40,7 +39,7 @@ func createDefaultConfig() component.Config {
 	return &Config{
 		ControllerConfig: cfg,
 		TCPAddrConfig: confignet.TCPAddrConfig{
-			Endpoint: testutil.EndpointForPort(defaultPort),
+			Endpoint: defaultEndpoint,
 		},
 		MetricsBuilderConfig: metadata.DefaultMetricsBuilderConfig(),
 	}