diff --git a/kubeflow/argo/argo.libsonnet b/kubeflow/argo/argo.libsonnet
index fddfd9c81c1..40010c4282a 100644
--- a/kubeflow/argo/argo.libsonnet
+++ b/kubeflow/argo/argo.libsonnet
@@ -3,11 +3,8 @@
   // see https://github.com/argoproj/argo/blob/master/cmd/argo/commands/install.go
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
-  new(_env, _params):: self + {
-    local params = _env + _params + {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+  new(_env, _params):: {
+    local params = _env + _params,
 
     // CRD's are not namespace scoped; see
     // https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/
diff --git a/kubeflow/argo/prototypes/argo.jsonnet b/kubeflow/argo/prototypes/argo.jsonnet
index 675def52fed..08fea691775 100644
--- a/kubeflow/argo/prototypes/argo.jsonnet
+++ b/kubeflow/argo/prototypes/argo.jsonnet
@@ -3,7 +3,6 @@
 // @description Deploy Argo workflow engine
 // @shortDescription Argo workflow engine
 // @param name string Name to give to the component
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam workflowControllerImage string argoproj/workflow-controller:v2.2.0 workflowControllerImage
 // @optionalParam uiImage string argoproj/argoui:v2.2.0 uiImage
 // @optionalParam executorImage string argoproj/argoexec:v2.2.0 executorImage
diff --git a/kubeflow/core/ambassador.libsonnet b/kubeflow/core/ambassador.libsonnet
index 89aa74b47c3..6c0a828a653 100644
--- a/kubeflow/core/ambassador.libsonnet
+++ b/kubeflow/core/ambassador.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local ambassadorService = {
       apiVersion: "v1",
diff --git a/kubeflow/core/centraldashboard.libsonnet b/kubeflow/core/centraldashboard.libsonnet
index c752a90cf81..3224071f2f1 100644
--- a/kubeflow/core/centraldashboard.libsonnet
+++ b/kubeflow/core/centraldashboard.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params + {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local centralDashboardDeployment = {
       apiVersion: "extensions/v1beta1",
diff --git a/kubeflow/core/cert-manager.libsonnet b/kubeflow/core/cert-manager.libsonnet
index fb2fd28066c..b953ddc8446 100644
--- a/kubeflow/core/cert-manager.libsonnet
+++ b/kubeflow/core/cert-manager.libsonnet
@@ -1,10 +1,7 @@
 {
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local certificateCRD = {
       apiVersion: "apiextensions.k8s.io/v1beta1",
diff --git a/kubeflow/core/cloud-endpoints.libsonnet b/kubeflow/core/cloud-endpoints.libsonnet
index 94af2a3977a..b3910797077 100644
--- a/kubeflow/core/cloud-endpoints.libsonnet
+++ b/kubeflow/core/cloud-endpoints.libsonnet
@@ -3,8 +3,6 @@
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
     local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
       cloudEndpointsImage: "gcr.io/cloud-solutions-group/cloud-endpoints-controller:0.1.1",
       metacontrollerImage: "gcr.io/enisoc-kubernetes/metacontroller@sha256:18561c63e1c5380ac5bbaabefa933e484bdb499f10b61071506f9a0070bc65f6",
     },
diff --git a/kubeflow/core/echo-server.libsonnet b/kubeflow/core/echo-server.libsonnet
index 6ac58421eb9..d00394dc756 100644
--- a/kubeflow/core/echo-server.libsonnet
+++ b/kubeflow/core/echo-server.libsonnet
@@ -1,10 +1,7 @@
 {
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local service = {
       apiVersion: "v1",
diff --git a/kubeflow/core/google-cloud-filestore-pv.libsonnet b/kubeflow/core/google-cloud-filestore-pv.libsonnet
index 2bfbe0918ae..94a2b255735 100644
--- a/kubeflow/core/google-cloud-filestore-pv.libsonnet
+++ b/kubeflow/core/google-cloud-filestore-pv.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local persistentVolume = {
       apiVersion: "v1",
diff --git a/kubeflow/core/iap.libsonnet b/kubeflow/core/iap.libsonnet
index 4f9f631dd3d..535498e6b1e 100644
--- a/kubeflow/core/iap.libsonnet
+++ b/kubeflow/core/iap.libsonnet
@@ -3,8 +3,6 @@
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
     local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
       disableJwtChecking: util.toBool(_params.disableJwtChecking),
       hostname: if std.objectHas(_params, "hostname") then _params.hostname else "null",
       envoyPort: 8080,
diff --git a/kubeflow/core/jupyterhub.libsonnet b/kubeflow/core/jupyterhub.libsonnet
index c6dfb482d62..7cd80a5fd38 100644
--- a/kubeflow/core/jupyterhub.libsonnet
+++ b/kubeflow/core/jupyterhub.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local kubeSpawnerConfig = {
       apiVersion: "v1",
diff --git a/kubeflow/core/metric-collector.libsonnet b/kubeflow/core/metric-collector.libsonnet
index bd3dfd98b91..f71e554cb8e 100644
--- a/kubeflow/core/metric-collector.libsonnet
+++ b/kubeflow/core/metric-collector.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local metricServiceAccount = {
       apiVersion: "v1",
diff --git a/kubeflow/core/prometheus.libsonnet b/kubeflow/core/prometheus.libsonnet
index a690b0e7db5..e34fc32242c 100644
--- a/kubeflow/core/prometheus.libsonnet
+++ b/kubeflow/core/prometheus.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local namespace = {
       apiVersion: "v1",
diff --git a/kubeflow/core/prototypes/cert-manager.jsonnet b/kubeflow/core/prototypes/cert-manager.jsonnet
index 1c3164f5b0f..023dc07808c 100644
--- a/kubeflow/core/prototypes/cert-manager.jsonnet
+++ b/kubeflow/core/prototypes/cert-manager.jsonnet
@@ -3,7 +3,6 @@
 // @description Provides cert-manager prototypes for generating SSL certificates.
 // @shortDescription Certificate generation on GKE.
 // @param name string Name for the component
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @param acmeEmail string The Lets Encrypt account email address
 // @optionalParam acmeUrl string https://acme-v02.api.letsencrypt.org/directory The ACME server URL, set to https://acme-staging-v02.api.letsencrypt.org/directory for staging API.
 // @optionalParam certManagerImage string quay.io/jetstack/cert-manager-controller:v0.4.0 certManagerImage
diff --git a/kubeflow/core/prototypes/cloud-endpoints.jsonnet b/kubeflow/core/prototypes/cloud-endpoints.jsonnet
index d1c6552a080..73ca899eb63 100644
--- a/kubeflow/core/prototypes/cloud-endpoints.jsonnet
+++ b/kubeflow/core/prototypes/cloud-endpoints.jsonnet
@@ -5,7 +5,6 @@
 // @param name string Name for the component
 // @optionalParam secretName string admin-gcp-sa Name of secret containing the json service account key.
 // @optionalParam secretKey string admin-gcp-sa.json Name of the key in the secret containing the JSON service account key.
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 
 local cloudEndpoints = import "kubeflow/core/cloud-endpoints.libsonnet";
 local instance = cloudEndpoints.new(env, params);
diff --git a/kubeflow/core/prototypes/iap-ingress.jsonnet b/kubeflow/core/prototypes/iap-ingress.jsonnet
index e39e0100bad..72ad6c477fe 100644
--- a/kubeflow/core/prototypes/iap-ingress.jsonnet
+++ b/kubeflow/core/prototypes/iap-ingress.jsonnet
@@ -4,7 +4,6 @@
 // @shortDescription Ingress for IAP on GKE.
 // @param name string Name for the component
 // @param ipName string The name of the global ip address to use.
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam secretName string envoy-ingress-tls The name of the secret containing the SSL certificates.
 // @optionalParam hostname string null The hostname associated with this ingress. Eg: mykubeflow.example.com
 // @optionalParam issuer string letsencrypt-prod The cert-manager issuer name.
diff --git a/kubeflow/core/prototypes/jupyterhub.jsonnet b/kubeflow/core/prototypes/jupyterhub.jsonnet
index 547ebe5085e..6f4412e4835 100644
--- a/kubeflow/core/prototypes/jupyterhub.jsonnet
+++ b/kubeflow/core/prototypes/jupyterhub.jsonnet
@@ -4,7 +4,6 @@
 // @shortDescription jupyterhub Component
 // @param name string Name
 // @optionalParam cloud string null Cloud
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam serviceType string ClusterIP The service type for Jupyterhub.
 // @optionalParam image string gcr.io/kubeflow/jupyterhub-k8s:v20180531-3bb991b1 The image to use for JupyterHub.
 // @optionalParam jupyterHubAuthenticator string null The authenticator to use
diff --git a/kubeflow/core/prototypes/tf-job-operator.jsonnet b/kubeflow/core/prototypes/tf-job-operator.jsonnet
index df54e06fe49..185e3edeb32 100644
--- a/kubeflow/core/prototypes/tf-job-operator.jsonnet
+++ b/kubeflow/core/prototypes/tf-job-operator.jsonnet
@@ -3,7 +3,6 @@
 // @description A TensorFlow job operator CRD
 // @shortDescription A TensorFlow job operator.
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam cloud string null String identifying the cloud to customize the deployment for.
 // @optionalParam tfJobImage string gcr.io/kubeflow-images-public/tf_operator:v0.3.0 The image for the TfJob controller.
 // @optionalParam tfDefaultImage string null The default image to use for TensorFlow.
diff --git a/kubeflow/core/spartakus.libsonnet b/kubeflow/core/spartakus.libsonnet
index 6b16794b21c..3f4d079a7d4 100644
--- a/kubeflow/core/spartakus.libsonnet
+++ b/kubeflow/core/spartakus.libsonnet
@@ -3,8 +3,6 @@
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
     local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
       reportUsageBool: util.toBool(_params.reportUsage),
     },
 
diff --git a/kubeflow/core/tests/centraldashboard_test.jsonnet b/kubeflow/core/tests/centraldashboard_test.jsonnet
index 9554dbdc4ba..8713228a9e7 100644
--- a/kubeflow/core/tests/centraldashboard_test.jsonnet
+++ b/kubeflow/core/tests/centraldashboard_test.jsonnet
@@ -1,6 +1,5 @@
 local centraldashboard = import "../centraldashboard.libsonnet";
 local params = {
-  namespace:: "kftest",
   image:: "gcr.io/kubeflow-images-public/centraldashboard:v0.3.0",
 };
 local env = {
diff --git a/kubeflow/core/tf-job-operator.libsonnet b/kubeflow/core/tf-job-operator.libsonnet
index 9ba7c8eca35..d8454387e7e 100644
--- a/kubeflow/core/tf-job-operator.libsonnet
+++ b/kubeflow/core/tf-job-operator.libsonnet
@@ -4,10 +4,7 @@
   local deployment = k.apps.v1beta1.deployment,
 
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     // tfJobCrd schema
     local openAPIV3Schema = {
diff --git a/kubeflow/credentials-pod-preset/prototypes/gcp-credentials-pod-preset.jsonnet b/kubeflow/credentials-pod-preset/prototypes/gcp-credentials-pod-preset.jsonnet
index 53f057a88bb..ca9e4f647b6 100644
--- a/kubeflow/credentials-pod-preset/prototypes/gcp-credentials-pod-preset.jsonnet
+++ b/kubeflow/credentials-pod-preset/prototypes/gcp-credentials-pod-preset.jsonnet
@@ -5,14 +5,13 @@
 // @param name string Name to give to each of the components
 // @param serviceAccountName string Name of the GCP service account
 // @param secretName string Name of the kubernetes secret containing the credentials
-// @optionalParam namespace string null Namespace to use for the pod preset. It is automatically inherited from the environment if not set.
 
 local k = import "k.libsonnet";
 
 // updatedParams uses the environment namespace if
 // the namespace parameter is not explicitly set
 local updatedParams = params {
-  namespace: if params.namespace == "null" then env.namespace else params.namespace,
+  namespace: env.namespace,
 };
 
 local podPreset = {
diff --git a/kubeflow/knative-build/knative-build.libsonnet b/kubeflow/knative-build/knative-build.libsonnet
index 0b0a1c4b649..187e793c9df 100644
--- a/kubeflow/knative-build/knative-build.libsonnet
+++ b/kubeflow/knative-build/knative-build.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/core/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params + {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local knativeBuildLoggingConfigMap = {
       apiVersion: "v1",
diff --git a/kubeflow/kubebench/prototypes/kubebench-job.jsonnet b/kubeflow/kubebench/prototypes/kubebench-job.jsonnet
index 63864cfea62..0401cefdf41 100644
--- a/kubeflow/kubebench/prototypes/kubebench-job.jsonnet
+++ b/kubeflow/kubebench/prototypes/kubebench-job.jsonnet
@@ -3,7 +3,6 @@
 // @description A benchmark job on Kubeflow
 // @shortDescription A benchmark job on Kubeflow
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace
 // @optionalParam serviceAccount string null The service account used to run the job
 // @optionalParam controllerImage string gcr.io/kubeflow-images-public/kubebench/kubebench-controller:v0.3.0 Configurator image
 // @optionalParam githubTokenSecret string null Github token secret
@@ -28,7 +27,7 @@ local kubebenchJob = import "kubeflow/kubebench/kubebench-job.libsonnet";
 local kubebenchRbac = import "kubeflow/kubebench/kubebench-rbac.libsonnet";
 
 local name = params.name;
-local namespace = if params.namespace == "null" then env.namespace else params.namespace;
+local namespace = env.namespace;
 local serviceAccount = params.serviceAccount;
 local controllerImage = params.controllerImage;
 local configPvc = params.experimentConfigPvc;
diff --git a/kubeflow/metacontroller/metacontroller.libsonnet b/kubeflow/metacontroller/metacontroller.libsonnet
index 98885ab0724..e574cdac32d 100644
--- a/kubeflow/metacontroller/metacontroller.libsonnet
+++ b/kubeflow/metacontroller/metacontroller.libsonnet
@@ -4,12 +4,7 @@
   local crd = k8s.apiextensions.v1beta1.customResourceDefinition,
 
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace:
-        if std.objectHas(_params, "namespace") &&
-           _params.namespace != "null" then
-          _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     local compositeControllerCRD = {
       apiVersion: "apiextensions.k8s.io/v1beta1",
diff --git a/kubeflow/metacontroller/prototypes/metacontroller.jsonnet b/kubeflow/metacontroller/prototypes/metacontroller.jsonnet
index 6a1ee1163f5..977650c6b4f 100644
--- a/kubeflow/metacontroller/prototypes/metacontroller.jsonnet
+++ b/kubeflow/metacontroller/prototypes/metacontroller.jsonnet
@@ -3,7 +3,6 @@
 // @description metacontroller Component
 // @shortDescription metacontroller Component
 // @param name string Name
-// @optionalParam namespace string default Namespace for metacontroller
 
 local metacontroller = import "kubeflow/metacontroller/metacontroller.libsonnet";
 local instance = metacontroller.new(env, params);
diff --git a/kubeflow/mxnet-job/mxnet-operator.libsonnet b/kubeflow/mxnet-job/mxnet-operator.libsonnet
index 8da01e2d82a..55df498e35c 100644
--- a/kubeflow/mxnet-job/mxnet-operator.libsonnet
+++ b/kubeflow/mxnet-job/mxnet-operator.libsonnet
@@ -9,7 +9,7 @@
   ],
 
   parts(params, env):: {
-    local namespace = if params.namespace != "null" then params.namespace else env.namespace,
+    local namespace = env.namespace,
     crd: {
       apiVersion: "apiextensions.k8s.io/v1beta1",
       kind: "CustomResourceDefinition",
diff --git a/kubeflow/mxnet-job/prototypes/mxnet-job.jsonnet b/kubeflow/mxnet-job/prototypes/mxnet-job.jsonnet
index d84f3e70a2e..17b245cb82b 100644
--- a/kubeflow/mxnet-job/prototypes/mxnet-job.jsonnet
+++ b/kubeflow/mxnet-job/prototypes/mxnet-job.jsonnet
@@ -3,7 +3,6 @@
 // @description A MXNet job (could be training or evaluation).
 // @shortDescription A MXNet job.
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam args string null Comma separated list of arguments to pass to the job
 // @optionalParam image string null The docker image to use for the job.
 // @optionalParam imageGpu string mxjob/mxnet:gpu The docker image to use when using GPUs.
diff --git a/kubeflow/mxnet-job/prototypes/mxnet-operator.jsonnet b/kubeflow/mxnet-job/prototypes/mxnet-operator.jsonnet
index 11b700717c3..79c20364b92 100644
--- a/kubeflow/mxnet-job/prototypes/mxnet-operator.jsonnet
+++ b/kubeflow/mxnet-job/prototypes/mxnet-operator.jsonnet
@@ -3,7 +3,6 @@
 // @description MXNet Operator
 // @shortDescription MXNet Operator for distributed mxnet on Kubernetes
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam disks string null Comma separated list of Google persistent disks to attach to jupyter environments.
 // @optionalParam cloud string null String identifying the cloud to customize the deployment for.
 // @optionalParam mxnetJobImage string mxjob/mxnet-operator:v1 The image for the MXNetJob controller
diff --git a/kubeflow/new-package-stub/newpackage.libsonnet b/kubeflow/new-package-stub/newpackage.libsonnet
index f0f55dcccc4..2bbd24f05e1 100644
--- a/kubeflow/new-package-stub/newpackage.libsonnet
+++ b/kubeflow/new-package-stub/newpackage.libsonnet
@@ -5,10 +5,7 @@
   // sets a local variable params which is _env + _params
   // All resources defined within self can then access param values as params.<name>
   new(_env, _params):: self {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
 
     // Define the various resource manifests as local class variables
     // The resource variable should be descriptive of the resource value being exported,
diff --git a/kubeflow/openmpi/all.libsonnet b/kubeflow/openmpi/all.libsonnet
index 3c48bc3c659..eaf93c6bed9 100644
--- a/kubeflow/openmpi/all.libsonnet
+++ b/kubeflow/openmpi/all.libsonnet
@@ -7,10 +7,8 @@ local workloads = import "kubeflow/openmpi/workloads.libsonnet";
   all(params, env):: $.parts(params, env).all,
 
   parts(params, env):: {
-    // updatedParams uses the environment namespace if
-    // the namespace parameter is not explicitly set
     local updatedParams = params {
-      namespace: if params.namespace == "null" then env.namespace else params.namespace,
+      namespace: env.namespace,
       init: if params.init == "null" then "/kubeflow/openmpi/assets/init.sh" else params.init,
       exec: if params.exec == "null" then "sleep infinity" else params.exec,
     },
diff --git a/kubeflow/openmpi/prototypes/openmpi.jsonnet b/kubeflow/openmpi/prototypes/openmpi.jsonnet
index 39544c25a8d..8766da1b0fd 100644
--- a/kubeflow/openmpi/prototypes/openmpi.jsonnet
+++ b/kubeflow/openmpi/prototypes/openmpi.jsonnet
@@ -5,7 +5,6 @@
 // @param name string Name to give to each of the components.
 // @param image string Docker image with openmpi.
 // @param secret string Name of secret containing ssh keys.
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam workers number 4 Number of workers.
 // @optionalParam init string null Command to bootstrap the containers. Defaults to init.sh.
 // @optionalParam exec string null Command to execute in master after bootstrap is done. It sleeps indefinitely if not set.
diff --git a/kubeflow/pytorch-job/prototypes/pytorch-job.jsonnet b/kubeflow/pytorch-job/prototypes/pytorch-job.jsonnet
index 29473a6b6e6..24f3f89c651 100644
--- a/kubeflow/pytorch-job/prototypes/pytorch-job.jsonnet
+++ b/kubeflow/pytorch-job/prototypes/pytorch-job.jsonnet
@@ -3,7 +3,6 @@
 // @description A PyTorch job (could be training or evaluation).
 // @shortDescription A PyTorch job.
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam args string null Comma separated list of arguments to pass to the job
 // @optionalParam image string gcr.io/kubeflow-examples/pytorch-dist-mnist:v20180702-a57993c The docker image to use for the job.
 // @optionalParam numMasters number 1 The number of masters to use
diff --git a/kubeflow/pytorch-job/prototypes/pytorch-operator.jsonnet b/kubeflow/pytorch-job/prototypes/pytorch-operator.jsonnet
index ec5a926fd5b..ad47291b960 100644
--- a/kubeflow/pytorch-job/prototypes/pytorch-operator.jsonnet
+++ b/kubeflow/pytorch-job/prototypes/pytorch-operator.jsonnet
@@ -3,7 +3,6 @@
 // @description PyTorch Operator
 // @shortDescription PyTorch Operator for distributed pytorch on Kubernetes
 // @param name string Name to give to each of the components
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam disks string null Comma separated list of Google persistent disks to attach to jupyter environments.
 // @optionalParam cloud string null String identifying the cloud to customize the deployment for.
 // @optionalParam pytorchJobImage string gcr.io/kubeflow-images-public/pytorch-operator:v0.3.0 The image for the PyTorchJob controller
diff --git a/kubeflow/pytorch-job/pytorch-operator.libsonnet b/kubeflow/pytorch-job/pytorch-operator.libsonnet
index 5c4418687d1..bc997352030 100644
--- a/kubeflow/pytorch-job/pytorch-operator.libsonnet
+++ b/kubeflow/pytorch-job/pytorch-operator.libsonnet
@@ -18,7 +18,7 @@
                        ],
 
   parts(params, env):: {
-    local namespace = if params.namespace != "null" then params.namespace else env.namespace,
+    local namespace = env.namespace,
     crd: {
       apiVersion: "apiextensions.k8s.io/v1beta1",
       kind: "CustomResourceDefinition",
diff --git a/kubeflow/seldon/prototypes/core.jsonnet b/kubeflow/seldon/prototypes/core.jsonnet
index ae5f36dec5e..2ea1b51dea2 100644
--- a/kubeflow/seldon/prototypes/core.jsonnet
+++ b/kubeflow/seldon/prototypes/core.jsonnet
@@ -3,7 +3,6 @@
 // @description Seldon Core components. Operator and API FrontEnd.
 // @shortDescription Seldon Core components.
 // @param name string seldon Name to give seldon
-// @optionalParam namespace string null Namespace to use for the components. It is automatically inherited from the environment if not set.
 // @optionalParam withRbac string true Whether to include RBAC setup
 // @optionalParam withApife string false Whether to include builtin API OAuth gateway server for ingress
 // @optionalParam withAmbassador string false Whether to include Ambassador reverse proxy
@@ -16,16 +15,10 @@
 local k = import "k.libsonnet";
 local core = import "kubeflow/seldon/core.libsonnet";
 
-// updatedParams uses the environment namespace if
-// the namespace parameter is not explicitly set
-local updatedParams = params {
-  namespace: if params.namespace == "null" then env.namespace else params.namespace,
-};
-
 local seldonVersion = import "param://seldonVersion";
 
 local name = import "param://name";
-local namespace = updatedParams.namespace;
+local namespace = env.namespace;
 local withRbac = import "param://withRbac";
 local withApife = import "param://withApife";
 local withAmbassador = import "param://withAmbassador";
diff --git a/kubeflow/tensorboard/tensorboard.libsonnet b/kubeflow/tensorboard/tensorboard.libsonnet
index 9a30d5674ca..ad457198ebd 100644
--- a/kubeflow/tensorboard/tensorboard.libsonnet
+++ b/kubeflow/tensorboard/tensorboard.libsonnet
@@ -7,10 +7,6 @@
 
   new(_env, _params):: {
     local params = _env + _params {
-      namespace:
-        if std.objectHas(_params, "namespace") &&
-           _params.namespace != "null" then
-          _params.namespace else _env.namespace,
       labels: {
         app: _params.name,
       },
diff --git a/kubeflow/tf-serving/prototypes/tf-serving-all-features.jsonnet b/kubeflow/tf-serving/prototypes/tf-serving-all-features.jsonnet
index 24aeeef784d..e815fdebbcd 100644
--- a/kubeflow/tf-serving/prototypes/tf-serving-all-features.jsonnet
+++ b/kubeflow/tf-serving/prototypes/tf-serving-all-features.jsonnet
@@ -10,7 +10,6 @@ local k = import "k.libsonnet";
 local name = import "param://name";
 
 // updatedParams includes the namespace from env by default.
-// We can override namespace in params if needed
 local updatedParams = env + params;
 
 local tfServingBase = import "kubeflow/tf-serving/tf-serving.libsonnet";
diff --git a/kubeflow/tf-serving/prototypes/tf-serving-aws.jsonnet b/kubeflow/tf-serving/prototypes/tf-serving-aws.jsonnet
index a38fc5d6e1b..b6fd98acd71 100644
--- a/kubeflow/tf-serving/prototypes/tf-serving-aws.jsonnet
+++ b/kubeflow/tf-serving/prototypes/tf-serving-aws.jsonnet
@@ -3,7 +3,6 @@
 // @description TensorFlow serving
 // @shortDescription A TensorFlow serving deployment
 // @param name string Name to give to each of the components
-// @optionalParam namespace string kubeflow The namespace
 // @optionalParam serviceType string ClusterIP The k8s service type for tf serving.
 // @optionalParam numGpus string 0 Number of gpus to use
 // @optionalParam deployHttpProxy string false Whether to deploy http proxy
diff --git a/kubeflow/tf-serving/prototypes/tf-serving-gcp.jsonnet b/kubeflow/tf-serving/prototypes/tf-serving-gcp.jsonnet
index c4f75dfc058..913ed0b2a47 100644
--- a/kubeflow/tf-serving/prototypes/tf-serving-gcp.jsonnet
+++ b/kubeflow/tf-serving/prototypes/tf-serving-gcp.jsonnet
@@ -3,7 +3,6 @@
 // @description TensorFlow serving
 // @shortDescription A TensorFlow serving deployment
 // @param name string Name to give to each of the components
-// @optionalParam namespace string kubeflow The namespace
 // @optionalParam serviceType string ClusterIP The k8s service type for tf serving.
 // @optionalParam numGpus string 0 Number of gpus to use
 // @optionalParam deployHttpProxy string false Whether to deploy http proxy
diff --git a/kubeflow/tf-serving/tf-serving-template.libsonnet b/kubeflow/tf-serving/tf-serving-template.libsonnet
index 8d0b1ddc5f4..7491f6e1140 100644
--- a/kubeflow/tf-serving/tf-serving-template.libsonnet
+++ b/kubeflow/tf-serving/tf-serving-template.libsonnet
@@ -2,10 +2,7 @@
   local k = import "k.libsonnet",
   local util = import "kubeflow/tf-serving/util.libsonnet",
   new(_env, _params):: {
-    local params = _env + _params {
-      namespace: if std.objectHas(_params, "namespace") && _params.namespace != "null" then
-        _params.namespace else _env.namespace,
-    },
+    local params = _env + _params,
     local namespace = params.namespace,
     local name = params.name,
     local modelName =
diff --git a/testing/test_deploy.py b/testing/test_deploy.py
index 328f9d1e78e..f0f928bba71 100644
--- a/testing/test_deploy.py
+++ b/testing/test_deploy.py
@@ -241,8 +241,7 @@ def deploy_argo(args):
 
   component = "argo"
   logging.info("Deploying argo")
-  generate_command = ["ks", "generate", "argo", component,
-                        "--namespace", "default", "--name", "argo"]
+  generate_command = ["ks", "generate", "argo", component, "--name", "argo"]
   util.run(generate_command, cwd=app_dir)
 
   ks_deploy(app_dir, component, {}, env=None, account=None)