diff --git a/env/merlin/sysconfigs/packages.yaml b/env/merlin/sysconfigs/packages.yaml
index 083fa18..e379b7a 100644
--- a/env/merlin/sysconfigs/packages.yaml
+++ b/env/merlin/sysconfigs/packages.yaml
@@ -6,21 +6,13 @@ packages:
     permissions:
       read: user
       write: user
-    providers:
-      blas:
-        - intel-mkl
-      mkl:
-        - intel-mkl
-      mpi:
-        - openmpi
-        - intel-oneapi-mpi
-        - mpich
-      pkgconfig:
-        - pkg-config
-      scalapack:
-        - intel-mkl
     target:
       - haswell
+  binutils:
+    buildable: false
+    externals:
+      - prefix: /usr
+        spec: binutils@2.38
   bzip2:
     buildable: false
     externals:
@@ -105,11 +97,26 @@ packages:
     externals:
       - prefix: /usr
         spec: groff@1.22.2
+  intel-oneapi-mkl:
+    buildable: false
+    externals:
+      - prefix: /opt/psi/Programming/intel/22.2
+        spec: intel-oneapi-mkl@2022.1.0
+  intel-oneapi-mpi:
+    buildable: false
+    externals:
+      - prefix: /opt/psi/Programming/intel/22.2
+        spec: intel-oneapi-mpi@2021.6.0
   jsoncpp:
     buildable: false
     externals:
       - prefix: /usr
         spec: jsoncpp@1.9.4
+  libcroco:
+    buildable: false
+    externals:
+      - prefix: /usr
+        spec: libcroco@0.6.13
   libevent:
     buildable: false
     externals:
@@ -135,11 +142,6 @@ packages:
     externals:
       - prefix: /usr
         spec: libjpeg-turbo@62.1.0
-  libpng:
-    buildable: false
-    externals:
-      - prefix: /usr
-        spec: libpng@3.50.0
   libpthread:
     buildable: false
     externals:
@@ -197,7 +199,7 @@ packages:
         spec: libxt@6.0.0
   # E.G: only available from already downloaded source, so I put it here
   mxm:
-    buildable: false 
+    buildable: false
     externals:
       - prefix: /opt/psi/System/mxm/3.6.3104
         spec: mxm@3.6.3104