diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 7ad3bd1e01b3..a7cea22730b1 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -739,11 +739,7 @@ let
     ];
     redux = [ pkgs.pkg-config ];
     reprex = [ pkgs.which ];
-    resultant = with pkgs; [
-      gmp.dev
-      mpfr.dev
-      pkg-config
-    ];
+    resultant = [ pkgs.pkg-config ];
     rgdal = with pkgs; [
       proj.dev
       gdal
@@ -1479,6 +1475,10 @@ let
       libdeflate
       zstd.dev
     ];
+    resultant = with pkgs; [
+      gmp
+      mpfr
+    ];
     rgl = with pkgs; [
       libGLU
       libGL