diff --git a/lib/system.nim b/lib/system.nim
index fb2e504a0..d22585c6a 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -4450,9 +4450,8 @@ when defined(genode):
 import system/widestrs
 export widestrs
 
-when not defined(nimnoio):
-  import system/io
-  export io
+import system/io
+export io
 
 when not defined(createNimHcr):
   include nimhcr
diff --git a/lib/system/io.nim.cfg b/lib/system/io.nim.cfg
deleted file mode 100644
index fd7cc755c..000000000
--- a/lib/system/io.nim.cfg
+++ /dev/null
@@ -1 +0,0 @@
---define: nimnoio