diff --git a/modules/programs/autojump.nix b/modules/programs/autojump.nix
index db3bdaf593c0..e8bf6b4375cd 100644
--- a/modules/programs/autojump.nix
+++ b/modules/programs/autojump.nix
@@ -49,7 +49,7 @@ in {
       . ${package}/share/autojump/autojump.zsh
     '';
 
-    programs.fish.promptInit = mkIf cfg.enableFishIntegration ''
+    programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration ''
       . ${package}/share/autojump/autojump.fish
     '';
   };
diff --git a/modules/programs/fish.nix b/modules/programs/fish.nix
index f381960f6eb0..1b594f408d1f 100644
--- a/modules/programs/fish.nix
+++ b/modules/programs/fish.nix
@@ -146,6 +146,16 @@ let
     (mapAttrsToList (k: v: "alias ${k} ${escapeShellArg v}") cfg.shellAliases);
 
 in {
+  imports = [
+    (mkRemovedOptionModule [ "programs" "fish" "promptInit" ] ''
+      Prompt is now configured through the
+
+        programs.fish.interactiveShellInit
+
+      option. Please change to use that instead.
+    '')
+  ];
+
   options = {
     programs.fish = {
       enable = mkEnableOption "fish, the friendly interactive shell";
@@ -214,14 +224,6 @@ in {
           initialisation.
         '';
       };
-
-      promptInit = mkOption {
-        type = types.lines;
-        default = "";
-        description = ''
-          Shell script code used to initialise fish prompt.
-        '';
-      };
     };
 
     programs.fish.plugins = mkOption {
@@ -382,9 +384,6 @@ in {
           # Aliases
           ${aliasesStr}
 
-          # Prompt initialisation
-          ${cfg.promptInit}
-
           # Interactive shell intialisation
           ${cfg.interactiveShellInit}
 
diff --git a/modules/programs/starship.nix b/modules/programs/starship.nix
index 33db8e6d6c68..d9ff51b60933 100644
--- a/modules/programs/starship.nix
+++ b/modules/programs/starship.nix
@@ -100,7 +100,7 @@ in {
       fi
     '';
 
-    programs.fish.promptInit = mkIf cfg.enableFishIntegration ''
+    programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration ''
       if test "$TERM" != "dumb"  -a \( -z "$INSIDE_EMACS"  -o "$INSIDE_EMACS" = "vterm" \)
         eval (${cfg.package}/bin/starship init fish)
       end