diff --git a/service_dependency.go b/service_dependency.go
index dd6b593e..93d48760 100644
--- a/service_dependency.go
+++ b/service_dependency.go
@@ -2,7 +2,6 @@ package pagerduty
 
 import (
 	"context"
-	"net/http"
 )
 
 // ServiceDependency represents a relationship between a business and technical service
@@ -27,108 +26,87 @@ type ListServiceDependencies struct {
 // ListBusinessServiceDependencies lists dependencies of a business service.
 //
 // Deprecated: Use ListBusinessServiceDependenciesWithContext instead.
-func (c *Client) ListBusinessServiceDependencies(businessServiceID string) (*ListServiceDependencies, *http.Response, error) {
-	return c.listBusinessServiceDependenciesWithContext(context.Background(), businessServiceID)
+func (c *Client) ListBusinessServiceDependencies(businessServiceID string) (*ListServiceDependencies, error) {
+	return c.ListBusinessServiceDependenciesWithContext(context.Background(), businessServiceID)
 }
 
 // ListBusinessServiceDependenciesWithContext lists dependencies of a business service.
 func (c *Client) ListBusinessServiceDependenciesWithContext(ctx context.Context, businessServiceID string) (*ListServiceDependencies, error) {
-	lsd, _, err := c.listBusinessServiceDependenciesWithContext(ctx, businessServiceID)
-	return lsd, err
-}
-
-func (c *Client) listBusinessServiceDependenciesWithContext(ctx context.Context, businessServiceID string) (*ListServiceDependencies, *http.Response, error) {
 	resp, err := c.get(ctx, "/service_dependencies/business_services/"+businessServiceID)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 
 	var result ListServiceDependencies
 	if err = c.decodeJSON(resp, &result); err != nil {
-		return nil, resp, err
+		return nil, err
 	}
 
-	return &result, resp, nil
+	return &result, nil
 }
 
 // ListTechnicalServiceDependencies lists dependencies of a technical service.
 //
 // Deprecated: Use ListTechnicalServiceDependenciesWithContext instead.
-func (c *Client) ListTechnicalServiceDependencies(serviceID string) (*ListServiceDependencies, *http.Response, error) {
-	return c.listTechnicalServiceDependenciesWithContext(context.Background(), serviceID)
+func (c *Client) ListTechnicalServiceDependencies(serviceID string) (*ListServiceDependencies, error) {
+	return c.ListTechnicalServiceDependenciesWithContext(context.Background(), serviceID)
 }
 
 // ListTechnicalServiceDependenciesWithContext lists dependencies of a technical service.
 func (c *Client) ListTechnicalServiceDependenciesWithContext(ctx context.Context, serviceID string) (*ListServiceDependencies, error) {
-	lsd, _, err := c.listTechnicalServiceDependenciesWithContext(ctx, serviceID)
-	return lsd, err
-}
-
-func (c *Client) listTechnicalServiceDependenciesWithContext(ctx context.Context, serviceID string) (*ListServiceDependencies, *http.Response, error) {
 	resp, err := c.get(ctx, "/service_dependencies/technical_services/"+serviceID)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 
 	var result ListServiceDependencies
 	if err = c.decodeJSON(resp, &result); err != nil {
-		return nil, resp, err
+		return nil, err
 	}
 
-	return &result, resp, nil
+	return &result, nil
 }
 
 // AssociateServiceDependencies Create new dependencies between two services.
 //
 // Deprecated: Use AssociateServiceDependenciesWithContext instead.
-func (c *Client) AssociateServiceDependencies(dependencies *ListServiceDependencies) (*ListServiceDependencies, *http.Response, error) {
-	return c.associateServiceDependenciesWithContext(context.Background(), dependencies)
+func (c *Client) AssociateServiceDependencies(dependencies *ListServiceDependencies) (*ListServiceDependencies, error) {
+	return c.AssociateServiceDependenciesWithContext(context.Background(), dependencies)
 }
 
 // AssociateServiceDependenciesWithContext Create new dependencies between two services.
 func (c *Client) AssociateServiceDependenciesWithContext(ctx context.Context, dependencies *ListServiceDependencies) (*ListServiceDependencies, error) {
-	lsd, _, err := c.associateServiceDependenciesWithContext(ctx, dependencies)
-	return lsd, err
-}
-
-func (c *Client) associateServiceDependenciesWithContext(ctx context.Context, dependencies *ListServiceDependencies) (*ListServiceDependencies, *http.Response, error) {
 	resp, err := c.post(ctx, "/service_dependencies/associate", dependencies, nil)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 
 	var result ListServiceDependencies
 	if err = c.decodeJSON(resp, &result); err != nil {
-		return nil, resp, err
+		return nil, err
 	}
 
-	return &result, resp, nil
+	return &result, nil
 }
 
 // DisassociateServiceDependencies Disassociate dependencies between two services.
 //
 // Deprecated: Use DisassociateServiceDependenciesWithContext instead.
-func (c *Client) DisassociateServiceDependencies(dependencies *ListServiceDependencies) (*ListServiceDependencies, *http.Response, error) {
-	return c.disassociateServiceDependenciesWithContext(context.Background(), dependencies)
+func (c *Client) DisassociateServiceDependencies(dependencies *ListServiceDependencies) (*ListServiceDependencies, error) {
+	return c.DisassociateServiceDependenciesWithContext(context.Background(), dependencies)
 }
 
 // DisassociateServiceDependenciesWithContext Disassociate dependencies between two services.
 func (c *Client) DisassociateServiceDependenciesWithContext(ctx context.Context, dependencies *ListServiceDependencies) (*ListServiceDependencies, error) {
-	lsd, _, err := c.disassociateServiceDependenciesWithContext(ctx, dependencies)
-	return lsd, err
-}
-
-// DisassociateServiceDependencies Disassociate dependencies between two services.
-func (c *Client) disassociateServiceDependenciesWithContext(ctx context.Context, dependencies *ListServiceDependencies) (*ListServiceDependencies, *http.Response, error) {
 	resp, err := c.post(ctx, "/service_dependencies/disassociate", dependencies, nil)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 
 	var result ListServiceDependencies
 	if err = c.decodeJSON(resp, &result); err != nil {
-		return nil, resp, err
+		return nil, err
 	}
 
-	return &result, resp, nil
+	return &result, nil
 }
diff --git a/service_dependency_test.go b/service_dependency_test.go
index e7afce8c..fdb86bbc 100644
--- a/service_dependency_test.go
+++ b/service_dependency_test.go
@@ -17,7 +17,7 @@ func TestBusinessServiceDependency_List(t *testing.T) {
 
 	client := defaultTestClient(server.URL, "foo")
 	bServeID := "1"
-	res, _, err := client.ListBusinessServiceDependencies(bServeID)
+	res, err := client.ListBusinessServiceDependencies(bServeID)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -51,7 +51,7 @@ func TestTechnicalServiceDependency_List(t *testing.T) {
 
 	client := defaultTestClient(server.URL, "foo")
 	bServeID := "1"
-	res, _, err := client.ListTechnicalServiceDependencies(bServeID)
+	res, err := client.ListTechnicalServiceDependencies(bServeID)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -98,7 +98,7 @@ func TestServiceDependency_Associate(t *testing.T) {
 			},
 		},
 	}
-	res, _, err := client.AssociateServiceDependencies(input)
+	res, err := client.AssociateServiceDependencies(input)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -144,7 +144,7 @@ func TestServiceDependency_Disassociate(t *testing.T) {
 			},
 		},
 	}
-	res, _, err := client.DisassociateServiceDependencies(input)
+	res, err := client.DisassociateServiceDependencies(input)
 	if err != nil {
 		t.Fatal(err)
 	}