diff --git a/scripts/spread-mlx4-ib-interrupts b/scripts/spread-mlx4-ib-interrupts
deleted file mode 100755
index 6c61766df..000000000
--- a/scripts/spread-mlx4-ib-interrupts
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/awk -f
-
-BEGIN {
-  if (debug != "")
-    print "[<node>, <per_node_cpu_idx>]: <cpu>";
-  "ls -1d /sys/devices/system/node/node* 2>&1 | wc -l" | getline nodes
-  if (nodes > 1) {
-    for (i = 0; i < nodes; i++) {
-      cpus_per_node = 0
-      while (("cd /sys/devices/system/cpu && ls -d cpu*/node" i " | sed 's/^cpu//;s,/.*,,'|sort -n" | getline j) > 0) {
-	if (debug != "")
-	  print "[" i ", " cpus_per_node "]: " j
-        cpu[i, cpus_per_node++] = j
-      }
-    }
-  } else {
-    cpus_per_node = 0
-    while (("cd /sys/devices/system/cpu && ls -d cpu[0-9]* | sed 's/^cpu//'|sort -n" | getline j) > 0) {
-      if (debug != "")
-	print "[0, " cpus_per_node "]: " j
-      cpu[0, cpus_per_node++] = j
-    }
-  }
-  for (i = 0; i < nodes; i++)
-      nextcpu[i] = 0
-  while (("sed -n 's/.*mlx4-ib-\\([0-9]*\\)-[0-9]*@\\(.*\\)$/\\1 \\2/p' /proc/interrupts | uniq" | getline) > 0) {
-    port = $1
-    bus = substr($0, length($1) + 2)
-    if (debug != "")
-      print "HCA port = " port "; bus = " bus
-    irqcount = 0
-    while (("sed -n 's/^[[:blank:]]*\\([0-9]*\\):[0-9[:blank:]]*[^[:blank:]]*[[:blank:]]*\\(mlx4-ib-" port "-[0-9]*@" bus "\\)$/\\1 \\2/p' </proc/interrupts" | getline) > 0) {
-      irq[irqcount] = $1
-      irqname[irqcount] = substr($0, length($1) + 2)
-      irqcount++
-    }
-    for (i = 0; i < nodes; i++) {
-      ch_start = i * irqcount / nodes
-      ch_end = (i + 1) * irqcount / nodes
-      for (ch = ch_start; ch < ch_end; ch++) {
-        c = cpu[i, nextcpu[i]++ % cpus_per_node]
-        if (nodes > 1)
-            nodetxt =  " (node " i ")"
-        else
-            nodetxt = ""
-        print "IRQ " irq[ch] " (" irqname[ch] "): CPU " c nodetxt
-        cmd="echo " c " >/proc/irq/" irq[ch] "/smp_affinity_list"
-	if (debug != "")
-	  print cmd
-	system(cmd)
-      }
-    }
-  }
-  exit 0
-}