diff --git a/modules/nixos/services/matrix/default.nix b/modules/nixos/services/matrix/default.nix
index 8c6dadf2..c61bb886 100644
--- a/modules/nixos/services/matrix/default.nix
+++ b/modules/nixos/services/matrix/default.nix
@@ -19,12 +19,6 @@
               client_max_body_size 10M;
             '';
           };
-          "/_slack" = {
-            proxyPass = "http://127.0.0.1:9898";
-            extraConfig = ''
-              proxy_set_header X-Forwarded-Ssl on;
-            '';
-          };
           "~ ^/_hookshot/(.*)" = {
             proxyPass = "http://127.0.0.1:9000/$1";
             extraConfig = ''
@@ -60,7 +54,6 @@
           suppress_key_server_warning = true;
           app_service_config_files = [
             config.age.secrets."files/services/matrix-synapse/whatsapp-registration.yml".path
-            config.age.secrets."files/services/matrix-synapse/slack-registration.yml".path
             config.age.secrets."files/services/matrix-synapse/hookshot-registration.yml".path
           ];
         };
@@ -73,14 +66,9 @@
         enable = true;
         ensureDatabases = [
           "matrix-synapse"
-          "matrix-appservice-slack"
           "mautrix-whatsapp"
         ];
         ensureUsers = [
-          {
-            name = "matrix-appservice-slack";
-            ensureDBOwnership = true;
-          }
           {
             name = "mautrix-whatsapp";
             ensureDBOwnership = true;
@@ -94,17 +82,6 @@
     };
 
     systemd.services = {
-      matrix-appservice-slack = {
-        description = "Matrix <-> Slack bridge";
-        wantedBy = [ "multi-user.target" ];
-        after = [ "network.target" "postgresql.service" "matrix-synapse.service" ];
-        requires = [ "postgresql.service" "matrix-synapse.service" ];
-        script = "${pkgs.matrix-appservice-slack}/bin/matrix-appservice-slack --config ${config.age.secrets."files/services/matrix-appservice-slack/config.yml".path} --file ${config.age.secrets."files/services/matrix-appservice-slack/registration.yml".path}";
-        serviceConfig = {
-          User = "matrix-appservice-slack";
-          Group = "matrix-appservice-slack";
-        };
-      };
       matrix-synapse = {
         requires = [ "postgresql.service" ];
       };
@@ -135,12 +112,6 @@
 
     users = {
       users = {
-        matrix-appservice-slack = {
-          group = "matrix-appservice-slack";
-          home = "/var/lib/matrix-appservice-slack";
-          createHome = true;
-          isSystemUser = true;
-        };
         mautrix-whatsapp = {
           group = "mautrix-whatsapp";
           home = "/var/lib/mautrix-whatsapp";
@@ -155,20 +126,11 @@
         };
       };
       groups = {
-        matrix-appservice-slack = { };
         matrix-hookshot = { };
         mautrix-whatsapp = { };
       };
     };
 
-    age.secrets."files/services/matrix-appservice-slack/config.yml" = {
-      file = ../../../../secrets/files/services/matrix-appservice-slack/config.yml.age;
-      owner = "matrix-appservice-slack";
-    };
-    age.secrets."files/services/matrix-appservice-slack/registration.yml" = {
-      file = ../../../../secrets/files/services/matrix-appservice-slack/registration.yml.age;
-      owner = "matrix-appservice-slack";
-    };
     age.secrets."files/services/matrix-hookshot/config.yml" = {
       file = ../../../../secrets/files/services/matrix-hookshot/config.yml.age;
       owner = "matrix-hookshot";
diff --git a/secrets/files/services/matrix-appservice-slack/config.yml.age b/secrets/files/services/matrix-appservice-slack/config.yml.age
deleted file mode 100644
index eeaf28db..00000000
Binary files a/secrets/files/services/matrix-appservice-slack/config.yml.age and /dev/null differ
diff --git a/secrets/files/services/matrix-appservice-slack/registration.yml.age b/secrets/files/services/matrix-appservice-slack/registration.yml.age
deleted file mode 100644
index 5e020eb9..00000000
Binary files a/secrets/files/services/matrix-appservice-slack/registration.yml.age and /dev/null differ