diff --git a/pkgs/applications/science/electronics/ngspice/default.nix b/pkgs/applications/science/electronics/ngspice/default.nix
deleted file mode 100644
index 15509a62de53..000000000000
--- a/pkgs/applications/science/electronics/ngspice/default.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ lib, stdenv
-, fetchurl
-, bison
-, flex
-, readline
-, libX11
-, libICE
-, libXaw
-, libXmu
-, libXext
-, libXt
-, fftw
-}:
-
-stdenv.mkDerivation rec {
-  pname = "ngspice";
-  version = "37";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/ngspice/ngspice-${version}.tar.gz";
-    sha256 = "1gpcic6b6xk3g4956jcsqljf33kj5g43cahmydq6m8rn39sadvlv";
-  };
-
-  nativeBuildInputs = [ flex bison ];
-  buildInputs = [ readline libX11 libICE libXaw libXmu libXext libXt fftw ];
-
-  configureFlags = [ "--enable-x" "--with-x" "--with-readline" "--enable-xspice" "--enable-cider" ];
-
-  meta = with lib; {
-    description = "The Next Generation Spice (Electronic Circuit Simulator)";
-    homepage = "http://ngspice.sourceforge.net";
-    license = with licenses; [ "BSD" gpl2 ];
-    maintainers = with maintainers; [ bgamari rongcuid ];
-    platforms = platforms.unix;
-  };
-}
diff --git a/pkgs/development/libraries/libngspice/default.nix b/pkgs/development/libraries/libngspice/default.nix
index d394621be117..5537bb0ca4b1 100644
--- a/pkgs/development/libraries/libngspice/default.nix
+++ b/pkgs/development/libraries/libngspice/default.nix
@@ -1,26 +1,47 @@
-{lib, stdenv, fetchurl, bison, flex, fftw}:
+{ lib
+, stdenv
+, fetchurl
+, flex
+, bison
+, fftw
+, withNgshared ? true
+, libXaw
+, libXext
+}:
 
-# Note that this does not provide the ngspice command-line utility. For that see
-# the ngspice derivation.
 stdenv.mkDerivation rec {
-  pname = "libngspice";
+  pname = "${lib.optionalString withNgshared "lib"}ngspice";
   version = "40";
 
   src = fetchurl {
     url = "mirror://sourceforge/ngspice/ngspice-${version}.tar.gz";
-    sha256 = "sha256-4wPKe8D1lOLWqoT2h4VCPmvwyNrQCbsgvk1XQliOiQ0=";
+    hash = "sha256-4wPKe8D1lOLWqoT2h4VCPmvwyNrQCbsgvk1XQliOiQ0=";
   };
 
-  nativeBuildInputs = [ flex bison ];
-  buildInputs = [ fftw ];
+  nativeBuildInputs = [
+    flex
+    bison
+  ];
 
-  configureFlags = [ "--with-ngshared" "--enable-xspice" "--enable-cider" ];
+  buildInputs = [
+    fftw
+  ] ++ lib.optionals (!withNgshared) [
+    libXaw
+    libXext
+  ];
+
+  configureFlags = lib.optionals withNgshared [
+    "--with-ngshared"
+  ] ++ [
+    "--enable-xspice"
+    "--enable-cider"
+  ];
 
   meta = with lib; {
     description = "The Next Generation Spice (Electronic Circuit Simulator)";
     homepage = "http://ngspice.sourceforge.net";
     license = with licenses; [ bsd3 gpl2Plus lgpl2Plus ]; # See https://sourceforge.net/p/ngspice/ngspice/ci/master/tree/COPYING
-    maintainers = with maintainers; [ bgamari ];
+    maintainers = with maintainers; [ bgamari rongcuid ];
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 12d50486e9f6..3bf86191ca8b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -38397,7 +38397,9 @@ with pkgs;
 
   librepcb = libsForQt5.callPackage ../applications/science/electronics/librepcb { };
 
-  ngspice = callPackage ../applications/science/electronics/ngspice { };
+  ngspice = libngspice.override {
+    withNgshared = false;
+  };
 
   nvc = darwin.apple_sdk_11_0.callPackage ../applications/science/electronics/nvc { };