diff --git a/conf/e4/config.json b/conf/e4/config.json
index 58ff28be4..a32d7aab7 100644
--- a/conf/e4/config.json
+++ b/conf/e4/config.json
@@ -2,7 +2,7 @@
 	"include": [
 		"keywords.json",
         "prefixes.json",
-        "e3/terrains.xml"
+        "e3/terrains.json"
 	],
     "settings": {
         "game.id": 4,
diff --git a/s/runtests b/s/runtests
index a0f50df1e..78c26eac0 100755
--- a/s/runtests
+++ b/s/runtests
@@ -19,6 +19,7 @@ cd $ROOT
 $ROOT/$BUILD/eressea/eressea -v0 scripts/run-tests.lua
 $ROOT/$BUILD/eressea/eressea -v0 scripts/run-tests-e2.lua
 $ROOT/$BUILD/eressea/eressea -v0 scripts/run-tests-e3.lua
+$ROOT/$BUILD/eressea/eressea -v0 scripts/run-tests-e4.lua
 rm -rf data reports orders.txt
 
 cd $OLDWPD
diff --git a/scripts/run-tests-e2.lua b/scripts/run-tests-e2.lua
index 4a2b3e59e..84f5dc3f9 100644
--- a/scripts/run-tests-e2.lua
+++ b/scripts/run-tests-e2.lua
@@ -15,6 +15,7 @@ require 'eressea'
 require 'eressea.xmlconf'
 require 'eressea.path'
 require 'tests.e2'
+require 'tests.xmas'
 require 'lunit'
 
 rules = require('eressea.' .. config.rules)
diff --git a/scripts/run-tests-e3.lua b/scripts/run-tests-e3.lua
index 47bcca60b..1e48cd40e 100644
--- a/scripts/run-tests-e3.lua
+++ b/scripts/run-tests-e3.lua
@@ -15,6 +15,7 @@ require 'eressea'
 require 'eressea.path'
 require 'eressea.xmlconf'
 require 'tests.e3'
+require 'tests.xmas'
 require 'lunit'
 
 eressea.settings.set("rules.alliances", "0")
diff --git a/scripts/run-tests-e4.lua b/scripts/run-tests-e4.lua
new file mode 100644
index 000000000..f827baec0
--- /dev/null
+++ b/scripts/run-tests-e4.lua
@@ -0,0 +1,23 @@
+-- Tests that work in E3. With game config of E3. 
+-- Tests are under scripts/test/e3 and all files must be in scripts/test/e3/init.lua
+
+path = 'scripts'
+if config.install then
+    path = config.install .. '/' .. path
+    package.path = package.path .. ';' .. config.install .. '/lunit/?.lua'
+    --needed to find lunit if not run form eressea root. Needs right [lua] install setting in eressea.ini (point to eressea root from the start folder)
+end
+package.path = package.path .. ';' .. path .. '/?.lua;' .. path .. '/?/init.lua'
+
+config.rules = 'e4'
+
+require 'eressea'
+require 'eressea.path'
+require 'eressea.xmlconf'
+require 'tests.e3'
+require 'lunit'
+
+eressea.settings.set("rules.alliances", "0")
+rules = require('eressea.' .. config.rules)
+result = lunit.main()
+return result.errors + result.failed
diff --git a/scripts/tests/e3/rules.lua b/scripts/tests/e3/rules.lua
index 81bd1abe9..28b14fe10 100644
--- a/scripts/tests/e3/rules.lua
+++ b/scripts/tests/e3/rules.lua
@@ -199,27 +199,6 @@ function test_seecast()
     assert_equal(8, u2.region.x)
 end
 
-local function use_tree(terrain)
-    local r = region.create(0,0, terrain)
-    local f = faction.create("noreply@eressea.de", "human", "de")
-    local u1 = unit.create(f, r, 5)
-    r:set_resource("tree", 0)
-    u1:add_item("xmastree", 1)
-    u1:clear_orders()
-    u1:add_order("BENUTZEN 1 Weihnachtsbaum")
-    process_orders()
-    return r
-end
-
-function test_xmastree()
-    local r
-    r = use_tree("ocean")
-    assert_equal(0, r:get_resource("tree"))
-    eressea.free_game()
-    r = use_tree("plain")
-    assert_equal(10, r:get_resource("tree"))
-end
-
 function test_fishing()
     eressea.settings.set("rules.food.flags", "0")
     local r = region.create(0,0, "ocean")
diff --git a/scripts/tests/xmas.lua b/scripts/tests/xmas.lua
new file mode 100644
index 000000000..07df8dde8
--- /dev/null
+++ b/scripts/tests/xmas.lua
@@ -0,0 +1,20 @@
+local function use_tree(terrain)
+    local r = region.create(0,0, terrain)
+    local f = faction.create("noreply@eressea.de", "human", "de")
+    local u1 = unit.create(f, r, 5)
+    r:set_resource("tree", 0)
+    u1:add_item("xmastree", 1)
+    u1:clear_orders()
+    u1:add_order("BENUTZEN 1 Weihnachtsbaum")
+    process_orders()
+    return r
+end
+
+function test_xmastree()
+    local r
+    r = use_tree("ocean")
+    assert_equal(0, r:get_resource("tree"))
+    eressea.free_game()
+    r = use_tree("plain")
+    assert_equal(10, r:get_resource("tree"))
+end
diff --git a/src/laws.c b/src/laws.c
index c3e895757..62c3a002a 100755
--- a/src/laws.c
+++ b/src/laws.c
@@ -861,24 +861,6 @@ static int modify(int i)
     }
 }
 
-static void inactivefaction(faction * f)
-{
-    FILE *inactiveFILE;
-    char zText[128];
-
-    sprintf(zText, "%s/%s", datapath(), "inactive");
-    inactiveFILE = fopen(zText, "a");
-
-    if (inactiveFILE) {
-        fprintf(inactiveFILE, "%s:%s:%d:%d\n",
-            factionid(f),
-            LOC(default_locale, rc_name_s(f->race, NAME_PLURAL)),
-            modify(count_all(f)), turn - f->lastorders);
-
-        fclose(inactiveFILE);
-    }
-}
-
 /* test if the unit can slip through a siege undetected.
  * returns 0 if siege is successful, or 1 if the building is either
  * not besieged or the unit can slip through the siege due to better stealth.
@@ -1279,11 +1261,6 @@ static void remove_idle_players(void)
             sprintf(info, "%d Einheiten, %d Personen, %d Silber",
                 f->no_units, f->num_total, f->money);
         }
-
-        if (NMRTimeout() > 0 && turn - f->lastorders >= (NMRTimeout() - 1)) {
-            inactivefaction(f);
-            continue;
-        }
     }
     log_info(" - beseitige Spieler, die sich nach der Anmeldung nicht gemeldet haben...");
 
diff --git a/tests/runtests.bat b/tests/runtests.bat
index 3bb41c982..e070bac2d 100644
--- a/tests/runtests.bat
+++ b/tests/runtests.bat
@@ -5,5 +5,6 @@ SET SERVER=%BUILD%\eressea.exe
 %SERVER% ..\scripts\run-tests.lua
 %SERVER% ..\scripts\run-tests-e2.lua
 %SERVER% ..\scripts\run-tests-e3.lua
+%SERVER% ..\scripts\run-tests-e4.lua
 PAUSE
 RMDIR /s /q reports