diff --git a/tools/alias_collision/check_alias_collision.py b/tools/alias_collision/check_alias_collision.py
index 9da18112d..785824ca3 100644
--- a/tools/alias_collision/check_alias_collision.py
+++ b/tools/alias_collision/check_alias_collision.py
@@ -2,54 +2,19 @@
 
 from argparse import ArgumentDefaultsHelpFormatter, ArgumentParser
 from pathlib import Path
-from dataclasses import dataclass
+from dataclasses import dataclass, asdict
 from typing import List, Dict
 import itertools
 import re
+import json
 
 
 ERROR_MESSAGE_TEMPLATE = (
     "Alias `%s` defined in `%s` already exists as alias `%s` in `%s`."
 )
 
-# TODO: We want that list to be empty
-KNOWN_COLLISIONS = [
-    "bcubc",
-    "pbl",
-    "gcd",
-    "h",
-    "brs",
-    "github",
-    "stackoverflow",
-    "zcl",
-    "afs",
-    "allpkgs",
-    "mydeb",
-    "jh",
-    "n",
-    "a",
-    "p",
-    "sf",
-    "sp",
-    "hs",
-    "db",
-    "rn",
-    "rs",
-    "ru",
-    "sc",
-    "sd",
-    "sd",
-    "sp",
-    "c",
-    "dr",
-    "rake",
-    "rubies",
-    "h",
-    "ma",
-    "map",
-    "mis",
-    "m",
-]
+# TODO: We want that list to be empty and get rid of this file
+KNOWN_COLLISIONS = Path(__file__).resolve().parent / "known_collisions.json"
 
 
 def dir_path(path_string: str) -> Path:
@@ -69,6 +34,12 @@ def parse_arguments():
         type=dir_path,
         help="Folder to check",
     )
+    parser.add_argument(
+        "--known-collisions",
+        type=Path,
+        default=KNOWN_COLLISIONS,
+        help="Json-serialized list of known collisions",
+    )
     return parser.parse_args()
 
 
@@ -86,8 +57,15 @@ class Collision:
     existing_alias: Alias
     new_alias: Alias
 
-    def is_new_collision(self, known_collisions: List[str]) -> bool:
-        return self.new_alias.alias not in known_collisions
+    def is_new_collision(self, known_collision_aliases: List[str]) -> bool:
+        return self.new_alias.alias not in known_collision_aliases
+
+    @classmethod
+    def from_dict(cls, collision_dict: Dict) -> "Collision":
+        return cls(
+            Alias(**collision_dict["existing_alias"]),
+            Alias(**collision_dict["new_alias"]),
+        )
 
 
 def find_aliases_in_file(file: Path) -> List[Alias]:
@@ -95,6 +73,11 @@ def find_aliases_in_file(file: Path) -> List[Alias]:
     return [Alias(match[0], match[1], file) for match in matches]
 
 
+def load_known_collisions(collision_file: Path) -> List[Collision]:
+    collision_list = json.loads(collision_file.read_text())
+    return [Collision.from_dict(collision_dict) for collision_dict in collision_list]
+
+
 def find_all_aliases(path: Path) -> list:
     aliases = [find_aliases_in_file(file) for file in path.rglob("*.zsh")]
     return list(itertools.chain(*aliases))
@@ -130,19 +113,26 @@ def print_collisions(collisions: Dict[Alias, Alias]) -> None:
         print("Found no collisions")
 
 
-def main():
+def main() -> int:
     """main"""
     args = parse_arguments()
     aliases = find_all_aliases(args.folder)
     collisions = check_for_duplicates(aliases)
+
+    known_collisions = load_known_collisions(args.known_collisions)
+    known_collision_aliases = [
+        collision.new_alias.alias for collision in known_collisions
+    ]
+
     new_collisions = [
         collision
         for collision in collisions
-        if collision.is_new_collision(KNOWN_COLLISIONS)
+        if collision.is_new_collision(known_collision_aliases)
     ]
+
     print_collisions(new_collisions)
-    return -1 if collisions else 0
+    return -1 if new_collisions else 0
 
 
 if __name__ == "__main__":
-    main()
+    exit(main())
diff --git a/tools/alias_collision/known_collisions.json b/tools/alias_collision/known_collisions.json
new file mode 100644
index 000000000..d8c5f3903
--- /dev/null
+++ b/tools/alias_collision/known_collisions.json
@@ -0,0 +1,422 @@
+[
+    {
+        "existing_alias": {
+            "alias": "bcubc",
+            "value": "brew upgrade --cask && brew cleanup",
+            "module": "plugins/brew/brew.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "bcubc",
+            "value": "brew upgrade --cask && brew cleanup",
+            "module": "plugins/brew/brew.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "pbl",
+            "value": "podman build",
+            "module": "plugins/podman/podman.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "pbl",
+            "value": "perlbrew list",
+            "module": "plugins/perl/perl.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "gcd",
+            "value": "git checkout $(git_develop_branch)",
+            "module": "plugins/git/git.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "gcd",
+            "value": "git checkout $(git config gitflow.branch.develop)",
+            "module": "plugins/git-flow/git-flow.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "h",
+            "value": "history",
+            "module": "plugins/history/history.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "h",
+            "value": "history",
+            "module": "plugins/common-aliases/common-aliases.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "brs",
+            "value": "bin/bridgetown start",
+            "module": "plugins/bridgetown/bridgetown.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "brs",
+            "value": "web_search brave",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "github",
+            "value": "frontend github",
+            "module": "plugins/frontend-search/frontend-search.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "github",
+            "value": "web_search github",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "stackoverflow",
+            "value": "frontend stackoverflow",
+            "module": "plugins/frontend-search/frontend-search.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "stackoverflow",
+            "value": "web_search stackoverflow",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "zcl",
+            "value": "sudo zypper clean",
+            "module": "plugins/suse/suse.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "zcl",
+            "value": "sudo zypper cl",
+            "module": "plugins/suse/suse.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "afs",
+            "value": "apt-file search --regexp",
+            "module": "plugins/ubuntu/ubuntu.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "afs",
+            "value": "apt-file search --regexp",
+            "module": "plugins/debian/debian.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "allpkgs",
+            "value": "dpkg --get-selections | grep -v deinstall",
+            "module": "plugins/ubuntu/ubuntu.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "allpkgs",
+            "value": "aptitude search -F \"%p\" --disable-columns ~i",
+            "module": "plugins/debian/debian.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "mydeb",
+            "value": "time dpkg-buildpackage -rfakeroot -us -uc",
+            "module": "plugins/ubuntu/ubuntu.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "mydeb",
+            "value": "time dpkg-buildpackage -rfakeroot -us -uc",
+            "module": "plugins/debian/debian.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "jh",
+            "value": "juju help",
+            "module": "plugins/juju/juju.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "jh",
+            "value": "jhbuild",
+            "module": "plugins/jhbuild/jhbuild.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "n",
+            "value": "nanoc",
+            "module": "plugins/nanoc/nanoc.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "n",
+            "value": "\"$GREP\" -Rvi",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "a",
+            "value": "ansible ",
+            "module": "plugins/ansible/ansible.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "a",
+            "value": "echo >>",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "p",
+            "value": "ps -f",
+            "module": "plugins/common-aliases/common-aliases.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "p",
+            "value": "\"$PAGER\"",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sf",
+            "value": "`_symfony_console`",
+            "module": "plugins/symfony2/symfony2.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sf",
+            "value": "\"$ROOT\" \"$GREP\" -Rli",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sp",
+            "value": "web_search startpage",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sp",
+            "value": "\"$ROOT\" \"$PAGER\"",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "hs",
+            "value": "history | grep",
+            "module": "plugins/history/history.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "hs",
+            "value": "hanami server",
+            "module": "plugins/hanami/hanami.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "db",
+            "value": "deno bundle",
+            "module": "plugins/deno/deno.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "db",
+            "value": "dotnet build",
+            "module": "plugins/dotnet/dotnet.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "rn",
+            "value": "react-native",
+            "module": "plugins/react-native/react-native.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "rn",
+            "value": "rails notes",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "rs",
+            "value": "repo sync",
+            "module": "plugins/repo/repo.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "rs",
+            "value": "rails server",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "ru",
+            "value": "repo upload",
+            "module": "plugins/repo/repo.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "ru",
+            "value": "rails runner",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sc",
+            "value": "\"$ROOT\" cat",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sc",
+            "value": "ruby script/console",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sd",
+            "value": "\"$ROOT\" \"$WGET\"",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sd",
+            "value": "ruby script/destroy",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sd",
+            "value": "\"$ROOT\" \"$WGET\"",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sd",
+            "value": "ruby script/server --debugger",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "sp",
+            "value": "web_search startpage",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "sp",
+            "value": "ruby script/plugin",
+            "module": "plugins/rails/rails.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "c",
+            "value": "cat",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "c",
+            "value": "composer",
+            "module": "plugins/composer/composer.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "dr",
+            "value": "dotnet run",
+            "module": "plugins/dotnet/dotnet.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "dr",
+            "value": "docker container run",
+            "module": "plugins/docker/docker.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "rake",
+            "value": "_rake_command",
+            "module": "plugins/rails/rails.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "rake",
+            "value": "noglob rake",
+            "module": "plugins/rake/rake.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "rubies",
+            "value": "rvm list rubies",
+            "module": "plugins/rvm/rvm.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "rubies",
+            "value": "chruby",
+            "module": "plugins/chruby/chruby.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "h",
+            "value": "history",
+            "module": "plugins/history/history.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "h",
+            "value": "helm",
+            "module": "plugins/helm/helm.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "ma",
+            "value": "mongocli atlas",
+            "module": "plugins/mongocli/mongocli.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "ma",
+            "value": "meteor add",
+            "module": "plugins/meteor/meteor.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "map",
+            "value": "web_search duckduckgo \\!m",
+            "module": "plugins/web-search/web-search.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "map",
+            "value": "meteor add-platform",
+            "module": "plugins/meteor/meteor.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "mis",
+            "value": "microk8s.istio",
+            "module": "plugins/microk8s/microk8s.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "mis",
+            "value": "meteor install-sdk",
+            "module": "plugins/meteor/meteor.plugin.zsh"
+        }
+    },
+    {
+        "existing_alias": {
+            "alias": "m",
+            "value": "man",
+            "module": "plugins/singlechar/singlechar.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "m",
+            "value": "meteor run",
+            "module": "plugins/meteor/meteor.plugin.zsh"
+        }
+    }
+]
diff --git a/tools/alias_collision/tests/test_check_alias_collision.py b/tools/alias_collision/tests/test_check_alias_collision.py
index 57ca17ed2..c6a3802ee 100644
--- a/tools/alias_collision/tests/test_check_alias_collision.py
+++ b/tools/alias_collision/tests/test_check_alias_collision.py
@@ -10,6 +10,7 @@ from check_alias_collision import (
     check_for_duplicates,
     Alias,
     Collision,
+    load_known_collisions,
 )
 
 
@@ -26,6 +27,23 @@ is-at-least 2.8 "$git_version" \
   || alias gfa='git fetch --all --prune'
 """
 
+ONE_KNOWN_COLLISION = """
+[
+    {
+        "existing_alias": {
+            "alias": "gcd",
+            "value": "git checkout $(git_develop_branch)",
+            "module": "plugins/git/git.plugin.zsh"
+        },
+        "new_alias": {
+            "alias": "gcd",
+            "value": "git checkout $(git config gitflow.branch.develop)",
+            "module": "plugins/git-flow/git-flow.plugin.zsh"
+        }
+    }
+]
+"""
+
 
 def test_dir_path__is_dir__input_path(fs: FakeFilesystem) -> None:
     fs.create_dir("test")
@@ -127,3 +145,22 @@ def test_is_new_collision__new_alias_in_known_collisions__should_return_false()
     new_alias = Alias("ga", "git add", Path("git.zsh"))
     collision = Collision(Alias("gd", "git diff", Path("git.zsh")), new_alias)
     assert collision.is_new_collision(known_collisions) is False
+
+
+def test_load_known_collisions__empty_file__should_return_empty_list(
+    fs: FakeFilesystem,
+) -> None:
+    empty_list = Path("empty.json")
+    fs.create_file(empty_list, contents="[]")
+    result = load_known_collisions(empty_list)
+    assert [] == result
+
+
+def test_load_known_collisions__one_collision__should_return_one_collision(
+    fs: FakeFilesystem,
+) -> None:
+    known_collisions_file = Path("known_collisions.json")
+    fs.create_file(known_collisions_file, contents=ONE_KNOWN_COLLISION)
+    result = load_known_collisions(known_collisions_file)
+    assert 1 == len(result)
+    assert "gcd" == result[0].existing_alias.alias