diff --git a/pkgs/applications/science/math/sage/default.nix b/pkgs/applications/science/math/sage/default.nix
index 84b511de8fc..44ae4041121 100644
--- a/pkgs/applications/science/math/sage/default.nix
+++ b/pkgs/applications/science/math/sage/default.nix
@@ -78,8 +78,7 @@ let
 
   # The documentation for sage, building it takes a lot of ram.
   sagedoc = callPackage ./sagedoc.nix {
-    inherit sage-with-env;
-    inherit python3 maxima jupyter-kernel-specs;
+    inherit sage-with-env jupyter-kernel-specs;
   };
 
   # sagelib with added wrappers and a dependency on sage-tests to make sure thet tests were run.
diff --git a/pkgs/applications/science/math/sage/sagedoc.nix b/pkgs/applications/science/math/sage/sagedoc.nix
index 8573bc27ae0..650b6d3b141 100644
--- a/pkgs/applications/science/math/sage/sagedoc.nix
+++ b/pkgs/applications/science/math/sage/sagedoc.nix
@@ -2,10 +2,6 @@
 , sage-with-env
 , python3
 , jupyter-kernel-specs
-, maxima
-, tachyon
-, jmol
-, cddlib
 }:
 
 stdenv.mkDerivation rec {
@@ -13,30 +9,7 @@ stdenv.mkDerivation rec {
   pname = "sagedoc";
   src = sage-with-env.env.lib.src;
 
-
-  # Building the documentation has many dependencies, because all documented
-  # modules are imported and because matplotlib is used to produce plots.
-  buildInputs = [
-    sage-with-env
-    python3
-    maxima
-    tachyon
-    jmol
-    cddlib
-  ] ++ (with python3.pkgs; [
-    sage-docbuild
-    psutil
-    future
-    sphinx
-    scipy
-    sympy
-    matplotlib
-    pillow
-    networkx
-    ipykernel
-    ipywidgets
-    jupyter-client
-  ]);
+  strictDeps = true;
 
   unpackPhase = ''
     export SAGE_DOC_OVERRIDE="$PWD/share/doc/sage"