diff --git a/README.md b/README.md
index 0ca08d7..82b2dcf 100644
--- a/README.md
+++ b/README.md
@@ -490,12 +490,13 @@ Please note that using regular expressions in `VIRTUAL_HOST` will always result
 
 ### Troubleshooting
 
-In case you can't access your VIRTUAL_HOST, set `DEBUG=true` in the client container's environment and have a look at the generated nginx configuration file `/etc/nginx/conf.d/default.conf`:
+If you can't access your `VIRTUAL_HOST`, inspect the generated nginx configuration:
 
 ```console
-docker exec <nginx-proxy-instance> cat /etc/nginx/conf.d/default.conf
+docker exec <nginx-proxy-instance> nginx -T
 ```
-Especially at `upstream` definition blocks which should look like:
+
+Pay attention to the `upstream` definition blocks, which should look like this:
 
 ```Nginx
 # foo.example.com
diff --git a/nginx.tmpl b/nginx.tmpl
index fb4f76f..2abfb7c 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -12,7 +12,6 @@
 {{- $_ := set $globals "nginx_proxy_version" (coalesce $globals.Env.NGINX_PROXY_VERSION "") }}
 {{- $_ := set $globals "external_http_port" (coalesce $globals.Env.HTTP_PORT "80") }}
 {{- $_ := set $globals "external_https_port" (coalesce $globals.Env.HTTPS_PORT "443") }}
-{{- $_ := set $globals "debug_all" $globals.Env.DEBUG }}
 {{- $_ := set $globals "sha1_upstream_name" (parseBool (coalesce $globals.Env.SHA1_UPSTREAM_NAME "false")) }}
 {{- $_ := set $globals "default_root_response" (coalesce $globals.Env.DEFAULT_ROOT "404") }}
 {{- $_ := set $globals "trust_downstream_proxy" (parseBool (coalesce $globals.Env.TRUST_DOWNSTREAM_PROXY "true")) }}
@@ -106,22 +105,18 @@
 
 {{- define "upstream" }}
     {{- $networks := .Networks }}
-    {{- $debug_all := .Debug }}
 upstream {{ .Upstream }} {
     {{- $server_found := false }}
     {{- range $container := .Containers }}
-        {{- $debug := parseBool (coalesce $container.Env.DEBUG $debug_all "false") }}
         {{- /* If only 1 port exposed, use that as a default, else 80 */}}
         {{- $defaultPort := (when (eq (len $container.Addresses) 1) (first $container.Addresses) (dict "Port" "80")).Port }}
         {{- $port := (coalesce $container.Env.VIRTUAL_PORT $defaultPort) }}
         {{- $address := where $container.Addresses "Port" $port | first }}
-        {{- if $debug }}
     # Exposed ports: {{ $container.Addresses }}
     # Default virtual port: {{ $defaultPort }}
     # VIRTUAL_PORT: {{ $container.Env.VIRTUAL_PORT }}
-            {{- if not $address }}
+        {{- if not $address }}
     # /!\ Virtual port not exposed
-            {{- end }}
         {{- end }}
         {{- range $knownNetwork := $networks }}
             {{- range $containerNetwork := sortObjectsByKeysAsc $container.Networks "Name" }}
@@ -292,7 +287,7 @@ server {
             {{- $upstream = printf "%s-%s" $upstream $sum }}
         {{- end }}
 # {{ $host }}{{ $path }}
-{{ template "upstream" (dict "Upstream" $upstream "Containers" $containers "Networks" $globals.CurrentContainer.Networks "Debug" $globals.debug_all) }}
+{{ template "upstream" (dict "Upstream" $upstream "Containers" $containers "Networks" $globals.CurrentContainer.Networks) }}
     {{- end }}
 
     {{- $default_host := or ($globals.Env.DEFAULT_HOST) "" }}
diff --git a/test/stress_tests/test_deleted_cert/docker-compose.yml b/test/stress_tests/test_deleted_cert/docker-compose.yml
index 33c92a7..a42abac 100644
--- a/test/stress_tests/test_deleted_cert/docker-compose.yml
+++ b/test/stress_tests/test_deleted_cert/docker-compose.yml
@@ -10,8 +10,6 @@ web:
 reverseproxy:
   image: nginxproxy/nginx-proxy:test
   container_name: reverseproxy
-  environment:
-    DEBUG: "true"
   volumes:
   - /var/run/docker.sock:/tmp/docker.sock:ro
-  - ./tmp_certs:/etc/nginx/certs:ro
\ No newline at end of file
+  - ./tmp_certs:/etc/nginx/certs:ro
diff --git a/test/test_debug/test_proxy-debug-flag.py b/test/test_debug/test_proxy-debug-flag.py
deleted file mode 100644
index 6430d84..0000000
--- a/test/test_debug/test_proxy-debug-flag.py
+++ /dev/null
@@ -1,12 +0,0 @@
-import pytest
-import re
-
-def test_debug_info_is_present_in_nginx_generated_conf(docker_compose, nginxproxy):
-    conf = nginxproxy.get_conf().decode('ASCII')
-    assert re.search(r"# Exposed ports: \[\{[^}]+\s+80\s+tcp \} \{[^}]+\s+81\s+tcp \}\]", conf) or \
-           re.search(r"# Exposed ports: \[\{[^}]+\s+81\s+tcp \} \{[^}]+\s+80\s+tcp \}\]", conf)
-    assert re.search(r"# Exposed ports: \[\{[^}]+\s+82\s+tcp \} \{[^}]+\s+83\s+tcp \}\]", conf) or \
-           re.search(r"# Exposed ports: \[\{[^}]+\s+83\s+tcp \} \{[^}]+\s+82\s+tcp \}\]", conf)
-    assert "# Default virtual port: 80" in conf
-    assert "# VIRTUAL_PORT: 82" in conf
-    assert conf.count("# /!\\ Virtual port not exposed") == 1
diff --git a/test/test_debug/test_proxy-debug-flag.yml b/test/test_debug/test_proxy-debug-flag.yml
deleted file mode 100644
index f930da3..0000000
--- a/test/test_debug/test_proxy-debug-flag.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-web1:
-  image: web
-  expose:
-    - "80"
-    - "81"
-  environment:
-    WEB_PORTS: "80 81"
-    VIRTUAL_HOST: "web1.nginx-proxy.tld"
-    VIRTUAL_PORT: "82"
-
-web2:
-  image: web
-  expose:
-    - "82"
-    - "83"
-  environment:
-    WEB_PORTS: "82 83"
-    VIRTUAL_HOST: "web2.nginx-proxy.tld"
-    VIRTUAL_PORT: "82"
-
-sut:
-  image: nginxproxy/nginx-proxy:test
-  volumes:
-    - /var/run/docker.sock:/tmp/docker.sock:ro
-  environment:
-    DEBUG: "true"
diff --git a/test/test_debug/test_server-debug-flag.py b/test/test_debug/test_server-debug-flag.py
deleted file mode 100644
index c635175..0000000
--- a/test/test_debug/test_server-debug-flag.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import pytest
-import re
-
-def test_debug_info_is_present_in_nginx_generated_conf(docker_compose, nginxproxy):
-    conf = nginxproxy.get_conf().decode('ASCII')
-    assert re.search(r"# Exposed ports: \[\{[^}]+\s+80\s+tcp \} \{[^}]+\s+81\s+tcp \}\]", conf) or \
-           re.search(r"# Exposed ports: \[\{[^}]+\s+81\s+tcp \} \{[^}]+\s+80\s+tcp \}\]", conf)
-    assert conf.count("# Exposed ports: [{") == 1
diff --git a/test/test_debug/test_server-debug-flag.yml b/test/test_debug/test_server-debug-flag.yml
deleted file mode 100644
index 89bb6b5..0000000
--- a/test/test_debug/test_server-debug-flag.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-web1:
-  image: web
-  expose:
-    - "80"
-    - "81"
-  environment:
-    WEB_PORTS: "80 81"
-    VIRTUAL_HOST: "web1.nginx-proxy.tld"
-    VIRTUAL_PORT: "82"
-    DEBUG: "true"
-
-web2:
-  image: web
-  expose:
-    - "82"
-    - "83"
-  environment:
-    WEB_PORTS: "82 83"
-    VIRTUAL_HOST: "web2.nginx-proxy.tld"
-    VIRTUAL_PORT: "82"
-
-sut:
-  image: nginxproxy/nginx-proxy:test
-  volumes:
-    - /var/run/docker.sock:/tmp/docker.sock:ro