diff --git a/pkgs/development/libraries/ucx/default.nix b/pkgs/development/libraries/ucx/default.nix
index 2da25aeb30c..a6dfb9f85c8 100644
--- a/pkgs/development/libraries/ucx/default.nix
+++ b/pkgs/development/libraries/ucx/default.nix
@@ -43,11 +43,11 @@ stdenv.mkDerivation rec {
   ++ lib.optionals enableRocm [ rocm-core rocm-runtime rocm-device-libs hip ];
 
   configureFlags = [
-    "--with-rdmacm=${rdma-core}"
+    "--with-rdmacm=${lib.getDev rdma-core}"
     "--with-dc"
     "--with-rc"
     "--with-dm"
-    "--with-verbs=${rdma-core}"
+    "--with-verbs=${lib.getDev rdma-core}"
   ] ++ lib.optional enableCuda "--with-cuda=${cudatoolkit'}"
   ++ lib.optional enableRocm "--with-rocm=${rocm}";
 
diff --git a/pkgs/os-specific/linux/rdma-core/default.nix b/pkgs/os-specific/linux/rdma-core/default.nix
index 59cbc5d83a8..e400e5eba7d 100644
--- a/pkgs/os-specific/linux/rdma-core/default.nix
+++ b/pkgs/os-specific/linux/rdma-core/default.nix
@@ -26,6 +26,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   strictDeps = true;
 
+  outputs = [ "out" "man" "dev" ];
+
   nativeBuildInputs = [
     cmake
     docutils
diff --git a/pkgs/servers/computing/slurm/default.nix b/pkgs/servers/computing/slurm/default.nix
index 19012ea1e1f..321e988af7f 100644
--- a/pkgs/servers/computing/slurm/default.nix
+++ b/pkgs/servers/computing/slurm/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
       "--with-lz4=${lz4.dev}"
       "--with-munge=${munge}"
       "--with-yaml=${libyaml.dev}"
-      "--with-ofed=${rdma-core}"
+      "--with-ofed=${lib.getDev rdma-core}"
       "--sysconfdir=/etc/slurm"
       "--with-pmix=${pmix}"
       "--with-bpf=${libbpf}"