diff --git a/internal/service/ec2/route_data_source.go b/internal/service/ec2/route_data_source.go
index 3f70b064d8b9..b25f071a2393 100644
--- a/internal/service/ec2/route_data_source.go
+++ b/internal/service/ec2/route_data_source.go
@@ -58,11 +58,6 @@ func DataSourceRoute() *schema.Resource {
 				Optional: true,
 				Computed: true,
 			},
-			"instance_id": {
-				Type:     schema.TypeString,
-				Optional: true,
-				Computed: true,
-			},
 			"local_gateway_id": {
 				Type:     schema.TypeString,
 				Optional: true,
@@ -140,10 +135,6 @@ func dataSourceRouteRead(d *schema.ResourceData, meta interface{}) error {
 			continue
 		}
 
-		if v, ok := d.GetOk("instance_id"); ok && aws.StringValue(r.InstanceId) != v.(string) {
-			continue
-		}
-
 		if v, ok := d.GetOk("local_gateway_id"); ok && aws.StringValue(r.LocalGatewayId) != v.(string) {
 			continue
 		}
@@ -191,7 +182,6 @@ func dataSourceRouteRead(d *schema.ResourceData, meta interface{}) error {
 	d.Set("destination_prefix_list_id", route.DestinationPrefixListId)
 	d.Set("egress_only_gateway_id", route.EgressOnlyInternetGatewayId)
 	d.Set("gateway_id", route.GatewayId)
-	d.Set("instance_id", route.InstanceId)
 	d.Set("local_gateway_id", route.LocalGatewayId)
 	d.Set("nat_gateway_id", route.NatGatewayId)
 	d.Set("network_interface_id", route.NetworkInterfaceId)
diff --git a/internal/service/ec2/route_data_source_test.go b/internal/service/ec2/route_data_source_test.go
index 789aac320eb2..ed1e2b6ae7a0 100644
--- a/internal/service/ec2/route_data_source_test.go
+++ b/internal/service/ec2/route_data_source_test.go
@@ -15,11 +15,9 @@ func TestAccEC2RouteDataSource_basic(t *testing.T) {
 	instanceRouteResourceName := "aws_route.instance"
 	pcxRouteResourceName := "aws_route.vpc_peering_connection"
 	rtResourceName := "aws_route_table.test"
-	instanceResourceName := "aws_instance.test"
 	pcxResourceName := "aws_vpc_peering_connection.test"
 	datasource1Name := "data.aws_route.by_destination_cidr_block"
-	datasource2Name := "data.aws_route.by_instance_id"
-	datasource3Name := "data.aws_route.by_peering_connection_id"
+	datasource2Name := "data.aws_route.by_peering_connection_id"
 	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
 
 	resource.ParallelTest(t, resource.TestCase{
@@ -34,15 +32,10 @@ func TestAccEC2RouteDataSource_basic(t *testing.T) {
 					resource.TestCheckResourceAttrPair(datasource1Name, "destination_cidr_block", instanceRouteResourceName, "destination_cidr_block"),
 					resource.TestCheckResourceAttrPair(datasource1Name, "route_table_id", rtResourceName, "id"),
 
-					// By instance ID.
-					resource.TestCheckResourceAttrPair(datasource2Name, "destination_cidr_block", instanceRouteResourceName, "destination_cidr_block"),
-					resource.TestCheckResourceAttrPair(datasource2Name, "instance_id", instanceResourceName, "id"),
-					resource.TestCheckResourceAttrPair(datasource2Name, "route_table_id", rtResourceName, "id"),
-
 					// By VPC peering connection ID.
-					resource.TestCheckResourceAttrPair(datasource3Name, "destination_cidr_block", pcxRouteResourceName, "destination_cidr_block"),
-					resource.TestCheckResourceAttrPair(datasource3Name, "route_table_id", rtResourceName, "id"),
-					resource.TestCheckResourceAttrPair(datasource3Name, "vpc_peering_connection_id", pcxResourceName, "id"),
+					resource.TestCheckResourceAttrPair(datasource2Name, "destination_cidr_block", pcxRouteResourceName, "destination_cidr_block"),
+					resource.TestCheckResourceAttrPair(datasource2Name, "route_table_id", rtResourceName, "id"),
+					resource.TestCheckResourceAttrPair(datasource2Name, "vpc_peering_connection_id", pcxResourceName, "id"),
 				),
 			},
 		},
@@ -263,12 +256,6 @@ resource "aws_instance" "test" {
   }
 }
 
-resource "aws_route" "instance" {
-  route_table_id         = aws_route_table.test.id
-  destination_cidr_block = "10.0.1.0/24"
-  instance_id            = aws_instance.test.id
-}
-
 data "aws_route" "by_peering_connection_id" {
   route_table_id            = aws_route_table.test.id
   vpc_peering_connection_id = aws_route.vpc_peering_connection.vpc_peering_connection_id
@@ -278,11 +265,6 @@ data "aws_route" "by_destination_cidr_block" {
   route_table_id         = aws_route_table.test.id
   destination_cidr_block = aws_route.instance.destination_cidr_block
 }
-
-data "aws_route" "by_instance_id" {
-  route_table_id = aws_route_table.test.id
-  instance_id    = aws_route.instance.instance_id
-}
 `, rName))
 }
 
diff --git a/internal/service/ec2/route_table.go b/internal/service/ec2/route_table.go
index fd40abb9f7cb..eb6c30ae5dae 100644
--- a/internal/service/ec2/route_table.go
+++ b/internal/service/ec2/route_table.go
@@ -30,7 +30,6 @@ var routeTableValidTargets = []string{
 	"carrier_gateway_id",
 	"egress_only_gateway_id",
 	"gateway_id",
-	"instance_id",
 	"local_gateway_id",
 	"nat_gateway_id",
 	"network_interface_id",
@@ -120,10 +119,6 @@ func ResourceRouteTable() *schema.Resource {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
-						"instance_id": {
-							Type:     schema.TypeString,
-							Optional: true,
-						},
 						"local_gateway_id": {
 							Type:     schema.TypeString,
 							Optional: true,
@@ -445,12 +440,6 @@ func resourceRouteTableHash(v interface{}) int {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
 
-	instanceSet := false
-	if v, ok := m["instance_id"]; ok {
-		instanceSet = v.(string) != ""
-		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
-	}
-
 	if v, ok := m["transit_gateway_id"]; ok {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
@@ -467,7 +456,7 @@ func resourceRouteTableHash(v interface{}) int {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
 
-	if v, ok := m["network_interface_id"]; ok && !(instanceSet || natGatewaySet) {
+	if v, ok := m["network_interface_id"]; ok && !(natGatewaySet) {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
 
@@ -695,10 +684,6 @@ func expandEc2CreateRouteInput(tfMap map[string]interface{}) *ec2.CreateRouteInp
 		apiObject.GatewayId = aws.String(v)
 	}
 
-	if v, ok := tfMap["instance_id"].(string); ok && v != "" {
-		apiObject.InstanceId = aws.String(v)
-	}
-
 	if v, ok := tfMap["local_gateway_id"].(string); ok && v != "" {
 		apiObject.LocalGatewayId = aws.String(v)
 	}
@@ -757,10 +742,6 @@ func expandEc2ReplaceRouteInput(tfMap map[string]interface{}) *ec2.ReplaceRouteI
 		apiObject.GatewayId = aws.String(v)
 	}
 
-	if v, ok := tfMap["instance_id"].(string); ok && v != "" {
-		apiObject.InstanceId = aws.String(v)
-	}
-
 	if v, ok := tfMap["local_gateway_id"].(string); ok && v != "" {
 		apiObject.LocalGatewayId = aws.String(v)
 	}
@@ -823,10 +804,6 @@ func flattenEc2Route(apiObject *ec2.Route) map[string]interface{} {
 		}
 	}
 
-	if v := apiObject.InstanceId; v != nil {
-		tfMap["instance_id"] = aws.StringValue(v)
-	}
-
 	if v := apiObject.LocalGatewayId; v != nil {
 		tfMap["local_gateway_id"] = aws.StringValue(v)
 	}
diff --git a/internal/service/ec2/route_table_data_source.go b/internal/service/ec2/route_table_data_source.go
index 7a0be6d5dd58..902d081a7cb0 100644
--- a/internal/service/ec2/route_table_data_source.go
+++ b/internal/service/ec2/route_table_data_source.go
@@ -81,11 +81,6 @@ func DataSourceRouteTable() *schema.Resource {
 							Computed: true,
 						},
 
-						"instance_id": {
-							Type:     schema.TypeString,
-							Computed: true,
-						},
-
 						"local_gateway_id": {
 							Type:     schema.TypeString,
 							Computed: true,
@@ -301,9 +296,6 @@ func dataSourceRoutesRead(conn *ec2.EC2, ec2Routes []*ec2.Route) []map[string]in
 		if r.LocalGatewayId != nil {
 			m["local_gateway_id"] = *r.LocalGatewayId
 		}
-		if r.InstanceId != nil {
-			m["instance_id"] = *r.InstanceId
-		}
 		if r.TransitGatewayId != nil {
 			m["transit_gateway_id"] = *r.TransitGatewayId
 		}
diff --git a/internal/service/ec2/route_table_test.go b/internal/service/ec2/route_table_test.go
index 64515a253752..a70f6caff36a 100644
--- a/internal/service/ec2/route_table_test.go
+++ b/internal/service/ec2/route_table_test.go
@@ -102,7 +102,6 @@ func TestAccEC2RouteTable_ipv4ToInternetGateway(t *testing.T) {
 	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
 	destinationCidr1 := "10.2.0.0/16"
 	destinationCidr2 := "10.3.0.0/16"
-	destinationCidr3 := "10.4.0.0/16"
 
 	resource.ParallelTest(t, resource.TestCase{
 		PreCheck:     func() { acctest.PreCheck(t) },
@@ -126,7 +125,7 @@ func TestAccEC2RouteTable_ipv4ToInternetGateway(t *testing.T) {
 				),
 			},
 			{
-				Config: testAccRouteTableIPv4InternetGatewayConfig(rName, destinationCidr2, destinationCidr3),
+				Config: testAccRouteTableIPv4InternetGatewayConfig(rName, destinationCidr2, destinationCidr2),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(resourceName, &routeTable),
 					testAccCheckRouteTableNumberOfRoutes(&routeTable, 3),
@@ -135,7 +134,7 @@ func TestAccEC2RouteTable_ipv4ToInternetGateway(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "propagating_vgws.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "route.#", "2"),
 					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr2, "gateway_id", igwResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr3, "gateway_id", igwResourceName, "id"),
+					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr2, "gateway_id", igwResourceName, "id"),
 					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
 					resource.TestCheckResourceAttr(resourceName, "tags.Name", rName),
 				),
@@ -152,7 +151,6 @@ func TestAccEC2RouteTable_ipv4ToInternetGateway(t *testing.T) {
 func TestAccEC2RouteTable_ipv4ToInstance(t *testing.T) {
 	var routeTable ec2.RouteTable
 	resourceName := "aws_route_table.test"
-	instanceResourceName := "aws_instance.test"
 	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
 	destinationCidr := "10.2.0.0/16"
 
@@ -171,7 +169,6 @@ func TestAccEC2RouteTable_ipv4ToInstance(t *testing.T) {
 					acctest.CheckResourceAttrAccountID(resourceName, "owner_id"),
 					resource.TestCheckResourceAttr(resourceName, "propagating_vgws.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "route.#", "1"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr, "instance_id", instanceResourceName, "id"),
 					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
 					resource.TestCheckResourceAttr(resourceName, "tags.Name", rName),
 				),
@@ -909,13 +906,11 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 	resourceName := "aws_route_table.test"
 	eoigwResourceName := "aws_egress_only_internet_gateway.test"
 	igwResourceName := "aws_internet_gateway.test"
-	instanceResourceName := "aws_instance.test"
 	pcxResourceName := "aws_vpc_peering_connection.test"
 	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
 	destinationCidr1 := "10.2.0.0/16"
-	destinationCidr2 := "10.3.0.0/16"
-	destinationCidr3 := "10.4.0.0/16"
-	destinationCidr4 := "2001:db8::/122"
+	destinationCidr2 := "10.4.0.0/16"
+	destinationCidr3 := "2001:db8::/122"
 
 	resource.ParallelTest(t, resource.TestCase{
 		PreCheck:     func() { acctest.PreCheck(t) },
@@ -926,8 +921,7 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 			{
 				Config: testAccRouteTableMultipleRoutesConfig(rName,
 					"cidr_block", destinationCidr1, "gateway_id", igwResourceName,
-					"cidr_block", destinationCidr2, "instance_id", instanceResourceName,
-					"ipv6_cidr_block", destinationCidr4, "egress_only_gateway_id", eoigwResourceName),
+					"ipv6_cidr_block", destinationCidr3, "egress_only_gateway_id", eoigwResourceName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(resourceName, &routeTable),
 					testAccCheckRouteTableNumberOfRoutes(&routeTable, 5),
@@ -936,8 +930,7 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "propagating_vgws.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "route.#", "3"),
 					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr1, "gateway_id", igwResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr2, "instance_id", instanceResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr4, "egress_only_gateway_id", eoigwResourceName, "id"),
+					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr3, "egress_only_gateway_id", eoigwResourceName, "id"),
 					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
 					resource.TestCheckResourceAttr(resourceName, "tags.Name", rName),
 				),
@@ -945,8 +938,7 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 			{
 				Config: testAccRouteTableMultipleRoutesConfig(rName,
 					"cidr_block", destinationCidr1, "vpc_peering_connection_id", pcxResourceName,
-					"cidr_block", destinationCidr3, "instance_id", instanceResourceName,
-					"ipv6_cidr_block", destinationCidr4, "egress_only_gateway_id", eoigwResourceName),
+					"ipv6_cidr_block", destinationCidr3, "egress_only_gateway_id", eoigwResourceName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(resourceName, &routeTable),
 					testAccCheckRouteTableNumberOfRoutes(&routeTable, 5),
@@ -955,17 +947,15 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "propagating_vgws.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "route.#", "3"),
 					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr1, "vpc_peering_connection_id", pcxResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr3, "instance_id", instanceResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr4, "egress_only_gateway_id", eoigwResourceName, "id"),
+					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr3, "egress_only_gateway_id", eoigwResourceName, "id"),
 					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
 					resource.TestCheckResourceAttr(resourceName, "tags.Name", rName),
 				),
 			},
 			{
 				Config: testAccRouteTableMultipleRoutesConfig(rName,
-					"ipv6_cidr_block", destinationCidr4, "vpc_peering_connection_id", pcxResourceName,
-					"cidr_block", destinationCidr3, "gateway_id", igwResourceName,
-					"cidr_block", destinationCidr2, "instance_id", instanceResourceName),
+					"ipv6_cidr_block", destinationCidr3, "vpc_peering_connection_id", pcxResourceName,
+					"cidr_block", destinationCidr2, "gateway_id", igwResourceName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(resourceName, &routeTable),
 					testAccCheckRouteTableNumberOfRoutes(&routeTable, 5),
@@ -973,9 +963,8 @@ func TestAccEC2RouteTable_multipleRoutes(t *testing.T) {
 					acctest.CheckResourceAttrAccountID(resourceName, "owner_id"),
 					resource.TestCheckResourceAttr(resourceName, "propagating_vgws.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "route.#", "3"),
-					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr4, "vpc_peering_connection_id", pcxResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr3, "gateway_id", igwResourceName, "id"),
-					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr2, "instance_id", instanceResourceName, "id"),
+					testAccCheckRouteTableRoute(resourceName, "ipv6_cidr_block", destinationCidr3, "vpc_peering_connection_id", pcxResourceName, "id"),
+					testAccCheckRouteTableRoute(resourceName, "cidr_block", destinationCidr2, "gateway_id", igwResourceName, "id"),
 					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
 					resource.TestCheckResourceAttr(resourceName, "tags.Name", rName),
 				),
@@ -1333,19 +1322,6 @@ resource "aws_instance" "test" {
     Name = %[1]q
   }
 }
-
-resource "aws_route_table" "test" {
-  vpc_id = aws_vpc.test.id
-
-  route {
-    cidr_block  = %[2]q
-    instance_id = aws_instance.test.id
-  }
-
-  tags = {
-    Name = %[1]q
-  }
-}
 `, rName, destinationCidr))
 }
 
@@ -1478,18 +1454,6 @@ func testAccRouteTableConfigNoDestination(rName string) string {
 		acctest.AvailableEC2InstanceTypeForAvailabilityZone("data.aws_availability_zones.available.names[0]", "t3.micro", "t2.micro"),
 		acctest.ConfigLatestAmazonLinuxHvmEbsAmi(),
 		fmt.Sprintf(`
-resource "aws_route_table" "test" {
-  vpc_id = aws_vpc.test.id
-
-  route {
-    instance_id = aws_instance.test.id
-  }
-
-  tags = {
-    Name = %[1]q
-  }
-}
-
 resource "aws_vpc" "test" {
   cidr_block = "10.1.0.0/16"
 
@@ -2092,8 +2056,7 @@ resource "aws_vpc_endpoint" "test" {
 
 func testAccRouteTableMultipleRoutesConfig(rName,
 	destinationAttr1, destinationValue1, targetAttribute1, targetValue1,
-	destinationAttr2, destinationValue2, targetAttribute2, targetValue2,
-	destinationAttr3, destinationValue3, targetAttribute3, targetValue3 string) string {
+	destinationAttr2, destinationValue2, targetAttribute2, targetValue2 string) string {
 	return acctest.ConfigCompose(
 		testAccLatestAmazonNatInstanceAmiConfig(),
 		acctest.ConfigAvailableAZsNoOptInDefaultExclude(),
@@ -2176,12 +2139,6 @@ locals {
       target_attr       = %[8]q
       target_value      = %[9]s.id
     },
-    {
-      destination_attr  = %[10]q
-      destination_value = %[11]q
-      target_attr       = %[12]q
-      target_value      = %[13]s.id
-    }
   ]
 }
 
@@ -2199,7 +2156,6 @@ resource "aws_route_table" "test" {
       carrier_gateway_id        = (route.value["target_attr"] == "carrier_gateway_id") ? route.value["target_value"] : null
       egress_only_gateway_id    = (route.value["target_attr"] == "egress_only_gateway_id") ? route.value["target_value"] : null
       gateway_id                = (route.value["target_attr"] == "gateway_id") ? route.value["target_value"] : null
-      instance_id               = (route.value["target_attr"] == "instance_id") ? route.value["target_value"] : null
       local_gateway_id          = (route.value["target_attr"] == "local_gateway_id") ? route.value["target_value"] : null
       nat_gateway_id            = (route.value["target_attr"] == "nat_gateway_id") ? route.value["target_value"] : null
       network_interface_id      = (route.value["target_attr"] == "network_interface_id") ? route.value["target_value"] : null
@@ -2213,7 +2169,7 @@ resource "aws_route_table" "test" {
     Name = %[1]q
   }
 }
-`, rName, destinationAttr1, destinationValue1, targetAttribute1, targetValue1, destinationAttr2, destinationValue2, targetAttribute2, targetValue2, destinationAttr3, destinationValue3, targetAttribute3, targetValue3))
+`, rName, destinationAttr1, destinationValue1, targetAttribute1, targetValue1, destinationAttr2, destinationValue2, targetAttribute2, targetValue2))
 }
 
 // testAccLatestAmazonNatInstanceAmiConfig returns the configuration for a data source that
diff --git a/website/docs/d/route.html.markdown b/website/docs/d/route.html.markdown
index 38d0c4fdb3f5..6f71b5821a52 100644
--- a/website/docs/d/route.html.markdown
+++ b/website/docs/d/route.html.markdown
@@ -49,7 +49,6 @@ The following arguments are optional:
 * `destination_prefix_list_id` - (Optional) The ID of a [managed prefix list](ec2_managed_prefix_list.html) destination of the Route belonging to the Route Table.
 * `egress_only_gateway_id` - (Optional) Egress Only Gateway ID of the Route belonging to the Route Table.
 * `gateway_id` - (Optional) Gateway ID of the Route belonging to the Route Table.
-* `instance_id` - (Optional) Instance ID of the Route belonging to the Route Table.
 * `local_gateway_id` - (Optional) Local Gateway ID of the Route belonging to the Route Table.
 * `nat_gateway_id` - (Optional) NAT Gateway ID of the Route belonging to the Route Table.
 * `network_interface_id` - (Optional) Network Interface ID of the Route belonging to the Route Table.
diff --git a/website/docs/d/route_table.html.markdown b/website/docs/d/route_table.html.markdown
index 0f03e35cd4db..3630c4b161fe 100644
--- a/website/docs/d/route_table.html.markdown
+++ b/website/docs/d/route_table.html.markdown
@@ -76,7 +76,6 @@ For targets:
 * `carrier_gateway_id` - ID of the Carrier Gateway.
 * `egress_only_gateway_id` - ID of the Egress Only Internet Gateway.
 * `gateway_id` - Internet Gateway ID.
-* `instance_id` - EC2 instance ID.
 * `local_gateway_id` - Local Gateway ID.
 * `nat_gateway_id` - NAT Gateway ID.
 * `network_interface_id` - ID of the elastic network interface (eni) to use.
diff --git a/website/docs/r/route.html.markdown b/website/docs/r/route.html.markdown
index 42ca414ded43..2654d59120c8 100644
--- a/website/docs/r/route.html.markdown
+++ b/website/docs/r/route.html.markdown
@@ -61,7 +61,6 @@ One of the following target arguments must be supplied:
 * `carrier_gateway_id` - (Optional) Identifier of a carrier gateway. This attribute can only be used when the VPC contains a subnet which is associated with a Wavelength Zone.
 * `egress_only_gateway_id` - (Optional) Identifier of a VPC Egress Only Internet Gateway.
 * `gateway_id` - (Optional) Identifier of a VPC internet gateway or a virtual private gateway.
-* `instance_id` - (Optional) Identifier of an EC2 instance.
 * `nat_gateway_id` - (Optional) Identifier of a VPC NAT gateway.
 * `local_gateway_id` - (Optional) Identifier of a Outpost local gateway.
 * `network_interface_id` - (Optional) Identifier of an EC2 network interface.
diff --git a/website/docs/r/route_table.html.markdown b/website/docs/r/route_table.html.markdown
index 37779a3df5a8..9e90ed7560c5 100644
--- a/website/docs/r/route_table.html.markdown
+++ b/website/docs/r/route_table.html.markdown
@@ -90,7 +90,6 @@ One of the following target arguments must be supplied:
 * `carrier_gateway_id` - (Optional) Identifier of a carrier gateway. This attribute can only be used when the VPC contains a subnet which is associated with a Wavelength Zone.
 * `egress_only_gateway_id` - (Optional) Identifier of a VPC Egress Only Internet Gateway.
 * `gateway_id` - (Optional) Identifier of a VPC internet gateway or a virtual private gateway.
-* `instance_id` - (Optional) Identifier of an EC2 instance.
 * `local_gateway_id` - (Optional) Identifier of a Outpost local gateway.
 * `nat_gateway_id` - (Optional) Identifier of a VPC NAT gateway.
 * `network_interface_id` - (Optional) Identifier of an EC2 network interface.