diff --git a/UPGRADE.md b/UPGRADE.md
index 8cae4bd..8db1181 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -12,6 +12,7 @@
 
 ## Upgrade from v5.0.0 to v5.1.0
 
+- removed `namespace.yaml` manifest from kustomize resources ([#79](https://github.com/shopsys/deployment/pull/79))
 - define autoscaling behavior with rolling update strategy ([#78](https://github.com/shopsys/deployment/pull/78))
 - removed GCloud-specific docker registry secret creation ([#77](https://github.com/shopsys/deployment/pull/77))
 - improved probes and graceful shutdown for storefront ([#76](https://github.com/shopsys/deployment/pull/76))
diff --git a/deploy/parts/deploy.sh b/deploy/parts/deploy.sh
index ce2364a..c43041b 100644
--- a/deploy/parts/deploy.sh
+++ b/deploy/parts/deploy.sh
@@ -104,7 +104,7 @@ if [ $DISPLAY_FINAL_CONFIGURATION -eq "1" ]; then
 fi
 
 echo -n "    Apply configuration "
-runCommand "ERROR" "kustomize build --load-restrictor LoadRestrictionsNone \"${CONFIGURATION_TARGET_PATH}/kustomize/migrate-application/${KUSTOMIZE_FOLDER}\" | kubectl apply -f -"
+runCommand "ERROR" "kustomize build --load-restrictor LoadRestrictionsNone \"${CONFIGURATION_TARGET_PATH}/kustomize/migrate-application/${KUSTOMIZE_FOLDER}\" | kubectl apply -n ${PROJECT_NAME} -f -"
 
 echo -n "    Waiting for migrate application "
 
@@ -158,7 +158,7 @@ if [ $DISPLAY_FINAL_CONFIGURATION -eq "1" ]; then
 fi
 
 echo -n "    Deploy Webserver and PHP-FPM container with Storefront"
-runCommand "ERROR" "kustomize build --load-restrictor LoadRestrictionsNone  \"${CONFIGURATION_TARGET_PATH}/kustomize/webserver\" | kubectl apply -f -"
+runCommand "ERROR" "kustomize build --load-restrictor LoadRestrictionsNone  \"${CONFIGURATION_TARGET_PATH}/kustomize/webserver\" | kubectl apply -n ${PROJECT_NAME} -f -"
 
 echo -n "    Waiting for start new PHP-FPM and Storefront container (In case of fail you need to manually check what is state of application)"
 runCommand "ERROR" "kubectl rollout status --namespace=${PROJECT_NAME} deployment/webserver-php-fpm deployment/storefront --watch"
diff --git a/kubernetes/horizontalPodAutoscaler.yaml b/kubernetes/horizontalPodAutoscaler.yaml
index e698dfd..02551c8 100644
--- a/kubernetes/horizontalPodAutoscaler.yaml
+++ b/kubernetes/horizontalPodAutoscaler.yaml
@@ -2,7 +2,6 @@ apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
     name: webserver-php-fpm
-    namespace: "{{PROJECT_NAME}}"
 spec:
     scaleTargetRef:
         apiVersion: apps/v1
diff --git a/kubernetes/horizontalStorefrontAutoscaler.yaml b/kubernetes/horizontalStorefrontAutoscaler.yaml
index ede46a1..86164c5 100644
--- a/kubernetes/horizontalStorefrontAutoscaler.yaml
+++ b/kubernetes/horizontalStorefrontAutoscaler.yaml
@@ -2,7 +2,6 @@ apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
     name: storefront
-    namespace: "{{PROJECT_NAME}}"
 spec:
     scaleTargetRef:
         apiVersion: apps/v1
diff --git a/kubernetes/kustomize/migrate-application/continuous-deploy/kustomization.yaml b/kubernetes/kustomize/migrate-application/continuous-deploy/kustomization.yaml
index a89a153..4228f6e 100644
--- a/kubernetes/kustomize/migrate-application/continuous-deploy/kustomization.yaml
+++ b/kubernetes/kustomize/migrate-application/continuous-deploy/kustomization.yaml
@@ -1,7 +1,6 @@
 resources:
     - ../../../deployments/redis.yaml
     - ../../../services/redis.yaml
-    - ../../../namespace.yaml
     - ../../../configmap/redis.yaml
     - ../../../configmap/redis-health.yaml
     - ../../../deployments/rabbitmq.yaml
diff --git a/kubernetes/kustomize/migrate-application/first-deploy-with-demo-data/kustomization.yaml b/kubernetes/kustomize/migrate-application/first-deploy-with-demo-data/kustomization.yaml
index a89a153..4228f6e 100644
--- a/kubernetes/kustomize/migrate-application/first-deploy-with-demo-data/kustomization.yaml
+++ b/kubernetes/kustomize/migrate-application/first-deploy-with-demo-data/kustomization.yaml
@@ -1,7 +1,6 @@
 resources:
     - ../../../deployments/redis.yaml
     - ../../../services/redis.yaml
-    - ../../../namespace.yaml
     - ../../../configmap/redis.yaml
     - ../../../configmap/redis-health.yaml
     - ../../../deployments/rabbitmq.yaml
diff --git a/kubernetes/kustomize/migrate-application/first-deploy/kustomization.yaml b/kubernetes/kustomize/migrate-application/first-deploy/kustomization.yaml
index a89a153..4228f6e 100644
--- a/kubernetes/kustomize/migrate-application/first-deploy/kustomization.yaml
+++ b/kubernetes/kustomize/migrate-application/first-deploy/kustomization.yaml
@@ -1,7 +1,6 @@
 resources:
     - ../../../deployments/redis.yaml
     - ../../../services/redis.yaml
-    - ../../../namespace.yaml
     - ../../../configmap/redis.yaml
     - ../../../configmap/redis-health.yaml
     - ../../../deployments/rabbitmq.yaml
diff --git a/kubernetes/kustomize/webserver/kustomization.yaml b/kubernetes/kustomize/webserver/kustomization.yaml
index c424d8e..08e0f3e 100644
--- a/kubernetes/kustomize/webserver/kustomization.yaml
+++ b/kubernetes/kustomize/webserver/kustomization.yaml
@@ -4,7 +4,6 @@ resources:
     - ../../deployments/storefront.yaml
     - ../../deployments/cron.yaml
     - ../../services/storefront.yaml
-    - ../../namespace.yaml
     - ../../configmap/nginx.yaml
     - ../../configmap/production-php-fpm.yaml
     - ../../configmap/production-php-opcache.yaml
diff --git a/kubernetes/namespace.yaml b/kubernetes/namespace.yaml
deleted file mode 100644
index 74708ba..0000000
--- a/kubernetes/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-    name: "{{PROJECT_NAME}}"
diff --git a/tests/scenarios/basic-production/expected/migrate-continuous-deploy.yaml b/tests/scenarios/basic-production/expected/migrate-continuous-deploy.yaml
index a621409..9305d46 100644
--- a/tests/scenarios/basic-production/expected/migrate-continuous-deploy.yaml
+++ b/tests/scenarios/basic-production/expected/migrate-continuous-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/basic-production/expected/migrate-first-deploy-with-demo-data.yaml b/tests/scenarios/basic-production/expected/migrate-first-deploy-with-demo-data.yaml
index 783a8b9..678ed98 100644
--- a/tests/scenarios/basic-production/expected/migrate-first-deploy-with-demo-data.yaml
+++ b/tests/scenarios/basic-production/expected/migrate-first-deploy-with-demo-data.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/basic-production/expected/migrate-first-deploy.yaml b/tests/scenarios/basic-production/expected/migrate-first-deploy.yaml
index f2e4508..917eb46 100644
--- a/tests/scenarios/basic-production/expected/migrate-first-deploy.yaml
+++ b/tests/scenarios/basic-production/expected/migrate-first-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/basic-production/expected/namespace.yaml b/tests/scenarios/basic-production/expected/namespace.yaml
deleted file mode 100644
index 47f129e..0000000
--- a/tests/scenarios/basic-production/expected/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-    name: "myproject-production"
diff --git a/tests/scenarios/basic-production/expected/webserver.yaml b/tests/scenarios/basic-production/expected/webserver.yaml
index aba8ece..47f8745 100644
--- a/tests/scenarios/basic-production/expected/webserver.yaml
+++ b/tests/scenarios/basic-production/expected/webserver.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   .project_env.sh: |
     export ELASTICSEARCH_HOST='http://elasticsearch:9200'
diff --git a/tests/scenarios/development-single-domain/expected/migrate-continuous-deploy.yaml b/tests/scenarios/development-single-domain/expected/migrate-continuous-deploy.yaml
index 4aa5e2f..b5ba1ae 100644
--- a/tests/scenarios/development-single-domain/expected/migrate-continuous-deploy.yaml
+++ b/tests/scenarios/development-single-domain/expected/migrate-continuous-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-dev
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/development-single-domain/expected/migrate-first-deploy-with-demo-data.yaml b/tests/scenarios/development-single-domain/expected/migrate-first-deploy-with-demo-data.yaml
index 3be3276..9de21ed 100644
--- a/tests/scenarios/development-single-domain/expected/migrate-first-deploy-with-demo-data.yaml
+++ b/tests/scenarios/development-single-domain/expected/migrate-first-deploy-with-demo-data.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-dev
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/development-single-domain/expected/migrate-first-deploy.yaml b/tests/scenarios/development-single-domain/expected/migrate-first-deploy.yaml
index 799d038..a4284c3 100644
--- a/tests/scenarios/development-single-domain/expected/migrate-first-deploy.yaml
+++ b/tests/scenarios/development-single-domain/expected/migrate-first-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-dev
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/development-single-domain/expected/namespace.yaml b/tests/scenarios/development-single-domain/expected/namespace.yaml
deleted file mode 100644
index 9827882..0000000
--- a/tests/scenarios/development-single-domain/expected/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-    name: "myproject-dev"
diff --git a/tests/scenarios/development-single-domain/expected/webserver.yaml b/tests/scenarios/development-single-domain/expected/webserver.yaml
index 3bc9ebe..b8233d6 100644
--- a/tests/scenarios/development-single-domain/expected/webserver.yaml
+++ b/tests/scenarios/development-single-domain/expected/webserver.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-dev
----
-apiVersion: v1
 data:
   .project_env.sh: |
     export ELASTICSEARCH_HOST='http://elasticsearch:9200'
diff --git a/tests/scenarios/escaping-env/expected/migrate-continuous-deploy.yaml b/tests/scenarios/escaping-env/expected/migrate-continuous-deploy.yaml
index ec2fd15..b3080de 100644
--- a/tests/scenarios/escaping-env/expected/migrate-continuous-deploy.yaml
+++ b/tests/scenarios/escaping-env/expected/migrate-continuous-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/escaping-env/expected/migrate-first-deploy-with-demo-data.yaml b/tests/scenarios/escaping-env/expected/migrate-first-deploy-with-demo-data.yaml
index 849235c..1653b97 100644
--- a/tests/scenarios/escaping-env/expected/migrate-first-deploy-with-demo-data.yaml
+++ b/tests/scenarios/escaping-env/expected/migrate-first-deploy-with-demo-data.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/escaping-env/expected/migrate-first-deploy.yaml b/tests/scenarios/escaping-env/expected/migrate-first-deploy.yaml
index 41471b2..74231ec 100644
--- a/tests/scenarios/escaping-env/expected/migrate-first-deploy.yaml
+++ b/tests/scenarios/escaping-env/expected/migrate-first-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/escaping-env/expected/namespace.yaml b/tests/scenarios/escaping-env/expected/namespace.yaml
deleted file mode 100644
index 47f129e..0000000
--- a/tests/scenarios/escaping-env/expected/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-    name: "myproject-production"
diff --git a/tests/scenarios/escaping-env/expected/webserver.yaml b/tests/scenarios/escaping-env/expected/webserver.yaml
index 947d68e..85ee3e6 100644
--- a/tests/scenarios/escaping-env/expected/webserver.yaml
+++ b/tests/scenarios/escaping-env/expected/webserver.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: myproject-production
----
-apiVersion: v1
 data:
   .project_env.sh: |
     export ELASTICSEARCH_HOST='http://elasticsearch:9200'
diff --git a/tests/scenarios/production-with-cloudflare/expected/migrate-continuous-deploy.yaml b/tests/scenarios/production-with-cloudflare/expected/migrate-continuous-deploy.yaml
index c27a9da..da3b222 100644
--- a/tests/scenarios/production-with-cloudflare/expected/migrate-continuous-deploy.yaml
+++ b/tests/scenarios/production-with-cloudflare/expected/migrate-continuous-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: shop-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy-with-demo-data.yaml b/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy-with-demo-data.yaml
index 83876d5..12318ab 100644
--- a/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy-with-demo-data.yaml
+++ b/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy-with-demo-data.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: shop-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy.yaml b/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy.yaml
index c8ef750..6cd76e8 100644
--- a/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy.yaml
+++ b/tests/scenarios/production-with-cloudflare/expected/migrate-first-deploy.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: shop-production
----
-apiVersion: v1
 data:
   domains_urls.yaml: |
     domains_urls:
diff --git a/tests/scenarios/production-with-cloudflare/expected/namespace.yaml b/tests/scenarios/production-with-cloudflare/expected/namespace.yaml
deleted file mode 100644
index b842341..0000000
--- a/tests/scenarios/production-with-cloudflare/expected/namespace.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-    name: "shop-production"
diff --git a/tests/scenarios/production-with-cloudflare/expected/webserver.yaml b/tests/scenarios/production-with-cloudflare/expected/webserver.yaml
index 19269ed..01ff53d 100644
--- a/tests/scenarios/production-with-cloudflare/expected/webserver.yaml
+++ b/tests/scenarios/production-with-cloudflare/expected/webserver.yaml
@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: shop-production
----
-apiVersion: v1
 data:
   .project_env.sh: |
     export ELASTICSEARCH_HOST='http://elasticsearch:9200'