diff --git a/aws/resource_aws_api_gateway_method.go b/aws/resource_aws_api_gateway_method.go
index a8efcafa52b5..bfbe5af1dcb5 100644
--- a/aws/resource_aws_api_gateway_method.go
+++ b/aws/resource_aws_api_gateway_method.go
@@ -234,10 +234,7 @@ func resourceAwsApiGatewayMethodUpdate(d *schema.ResourceData, meta interface{})
 				parameters[k] = value
 			}
 		}
-		ops, err := expandApiGatewayMethodParametersOperations(d, "request_parameters", "requestParameters")
-		if err != nil {
-			return err
-		}
+		ops := expandApiGatewayMethodParametersOperations(d, "request_parameters", "requestParameters")
 		operations = append(operations, ops...)
 	}
 
diff --git a/aws/resource_aws_api_gateway_method_response.go b/aws/resource_aws_api_gateway_method_response.go
index 39239eb03ec3..cf8e9319f3f4 100644
--- a/aws/resource_aws_api_gateway_method_response.go
+++ b/aws/resource_aws_api_gateway_method_response.go
@@ -172,10 +172,7 @@ func resourceAwsApiGatewayMethodResponseUpdate(d *schema.ResourceData, meta inte
 	}
 
 	if d.HasChange("response_parameters") {
-		ops, err := expandApiGatewayMethodParametersOperations(d, "response_parameters", "responseParameters")
-		if err != nil {
-			return err
-		}
+		ops := expandApiGatewayMethodParametersOperations(d, "response_parameters", "responseParameters")
 		operations = append(operations, ops...)
 	}
 
diff --git a/aws/structure.go b/aws/structure.go
index d2b62f989c98..ae87c54042e7 100644
--- a/aws/structure.go
+++ b/aws/structure.go
@@ -1916,7 +1916,7 @@ func deprecatedExpandApiGatewayMethodParametersJSONOperations(d *schema.Resource
 	return operations, nil
 }
 
-func expandApiGatewayMethodParametersOperations(d *schema.ResourceData, key string, prefix string) ([]*apigateway.PatchOperation, error) {
+func expandApiGatewayMethodParametersOperations(d *schema.ResourceData, key string, prefix string) []*apigateway.PatchOperation {
 	operations := make([]*apigateway.PatchOperation, 0)
 
 	oldParameters, newParameters := d.GetChange(key)
@@ -1966,7 +1966,7 @@ func expandApiGatewayMethodParametersOperations(d *schema.ResourceData, key stri
 		}
 	}
 
-	return operations, nil
+	return operations
 }
 
 func expandCloudWatchLogMetricTransformations(m map[string]interface{}) []*cloudwatchlogs.MetricTransformation {