diff --git a/pkgs/additional/linux-armbian/default.nix b/pkgs/additional/linux-armbian/default.nix
index 90e06d4a1..10e90d43f 100644
--- a/pkgs/additional/linux-armbian/default.nix
+++ b/pkgs/additional/linux-armbian/default.nix
@@ -669,21 +669,21 @@ linux.override {
       extraStructuredConfig = with lib.kernel; {
         # borrowed from postmarketOS, "to enable libcamera development"
         # pmaports commit f18c7210ab
-        DMABUF_HEAPS = yes;
-        DMABUF_HEAPS_CMA = yes;
+        # DMABUF_HEAPS = yes;
+        # DMABUF_HEAPS_CMA = yes;
         # borrowed from postmarketOS, speculatively, as i debug megapixels camera
         # CMA_AREAS = "CMA allows to create CMA areas for particular purpose, mainly, used as device private area."
         #             "If unsure, leave the default value "8" in UMA and "20" in NUMA."
         # - pinephone in mainline linux, postmarketOS, defaults to 7
         # - nixos defaults to ... 19?
-        CMA_AREAS = freeform "7";
+        # CMA_AREAS = freeform "7";
         # DRM_ACCEL = lib.mkForce no;
 
         # CMA_SIZE_MBYTES = lib.mkForce (freeform "256");  #< also available at boot time via `cma=256M` CLI
 
         # #vvv aside from SUN50I_IOMMU, this is just upgrading modules to `y`
         # DMA_SUN6I = yes;
-        SUN50I_IOMMU = yes;
+        # SUN50I_IOMMU = yes;
         # VIDEOBUF2_CORE = yes;
         # VIDEOBUF2_V4L2 = yes;
         # VIDEOBUF2_MEMOPS = yes;
@@ -692,7 +692,6 @@ linux.override {
         VIDEO_SUNXI = yes;
         # VIDEO_SUNXI_CEDRUS = yes;
         # # VIDEO_SUNXI_CEDRUS = module;  #< implied by VIDEO_SUNXI
-        # #^^^ this isn't enough to get camera working
 
         # MFD_SUN6I_PRCM = yes;