diff --git a/defaults/main.yml b/defaults/main.yml
index e6d1c4f..6271014 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -9,80 +9,5 @@ bind_paths: []
 # - /shared/home/
 # - /shared/project/
 
-#go variable
-old_go_versions:
-  - 1.14.3
-  - 1.14.2
-  - 1.14.1
-  - 1.14
-  - 1.13.12
-  - 1.13.11
-  - 1.13.10
-  - 1.13.9
-  - 1.13.8
-  - 1.13.7
-  - 1.13.6
-  - 1.13.5
-  - 1.13.4
-  - 1.13.3
-  - 1.13.2
-  - 1.13.1
-  - 1.13
-  - 1.12.17
-  - 1.12.16
-  - 1.12.15
-  - 1.12.14
-  - 1.12.13
-  - 1.12.12
-  - 1.12.11
-  - 1.12.10
-  - 1.12.9
-  - 1.12.8
-  - 1.12.7
-  - 1.12.6
-  - 1.12.5
-  - 1.12.4
-  - 1.12.3
-  - 1.12.2
-  - 1.12.1
-  - 1.12
-  - 1.11.13
-  - 1.11.12
-  - 1.11.11
-  - 1.11.10
-  - 1.11.9
-  - 1.11.8
-  - 1.11.7
-  - 1.11.6
-  - 1.11.5
-  - 1.11.4
-  - 1.11.3
-  - 1.11.2
-  - 1.11.1
-  - 1.11
-  - 1.10.8
-  - 1.10.7
-  - 1.10.6
-  - 1.10.5
-  - 1.10.4
-  - 1.10.3
-  - 1.10.2
-  - 1.10.1
-  - 1.10
-  - 1.9.6
-  - 1.9.5
-  - 1.9.4
-  - 1.9.3
-  - 1.9.2
-  - 1.9.1
-  - 1.9
-  - 1.8.7
-  - 1.8.6
-  - 1.8.5
-  - 1.8.4
-  - 1.8.3
-  - 1.8.2
-  - 1.8.1
-  - 1.8
-  - 1.7.4
-  - 1.7.3
+#go variables
+only_one_go_version: true
diff --git a/tasks/main.yml b/tasks/main.yml
index e06207f..16b6b84 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -32,25 +32,21 @@
   changed_when: False
   failed_when: False
 
-- name: singularity | remove older Go installation
+- name: singularity | get older go installation(s)
+  find:
+    paths: /opt/go/
+    file_type: directory
+    use_regex: yes
+    patterns: ['^(?!{{ golang_version }})1.[0-9]{1,2}(.[0-9]{1,2}|)$']
+  register: older_go_versions
+  when: only_one_go_version
+
+- name: singularity | remove older Go installation(s)
   file:
-    path: '/opt/go/{{ item }}'
+    path: '{{ item.path }}'
     state: absent
-  with_items: "{{ old_go_versions }}"
-  
-- name: singularity | install dependencies
-  apt:
-    pkg:
-    - build-essential
-    - uuid-dev
-    - libgpgme-dev
-    - squashfs-tools
-    - libseccomp-dev
-    - wget
-    - pkg-config
-    - git
-    - cryptsetup-bin
-    update_cache: yes
+  with_items: "{{ older_go_versions.files }}"
+  when: only_one_go_version
 
 - name: singularity | install Go dependencies
   command: go get -u -v github.com/golang/dep/cmd/dep