diff --git a/pkgs/data/misc/iana-etc/default.nix b/pkgs/data/misc/iana-etc/default.nix
index d5ab50f0b8c..f3b9bf150e0 100644
--- a/pkgs/data/misc/iana-etc/default.nix
+++ b/pkgs/data/misc/iana-etc/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "iana-etc-${version}";
-  version = "20180405";
+  version = "20180711";
 
   src = fetchurl {
     url = "https://github.com/Mic92/iana-etc/releases/download/${version}/iana-etc-${version}.tar.gz";
-    sha256 = "0x6i95arrc4lcq2il3r05hbnd9vsi87z4yc8s3agkvbj74d6hfhj";
+    sha256 = "0xigkz6pcqx55px7fap7j6p3hz27agv056crbl5pgfcdix7y8z26";
   };
 
   installPhase = ''
diff --git a/pkgs/development/compilers/go/1.10.nix b/pkgs/development/compilers/go/1.10.nix
index 6f5a65bd03c..b4fa005c3de 100644
--- a/pkgs/development/compilers/go/1.10.nix
+++ b/pkgs/development/compilers/go/1.10.nix
@@ -34,6 +34,8 @@ stdenv.mkDerivation rec {
     sha256 = "0i89298dgnmpmam3ifkm0ax266vvbq1yz7wfw8wwrcma0szrbrnb";
   };
 
+  GOCACHE = "off";
+
   # perl is used for testing go vet
   nativeBuildInputs = [ perl which pkgconfig patch makeWrapper procps ];
   buildInputs = [ cacert pcre ]