diff --git a/core/res/de/strings.xml b/core/res/de/strings.xml
index bb16c92fe..cf649fe79 100644
--- a/core/res/de/strings.xml
+++ b/core/res/de/strings.xml
@@ -4183,10 +4183,6 @@
       <text locale="de">Seelenkopie</text>
       <text locale="en">Doppelganger</text>
     </string>
-    <string name="wisps">
-      <text locale="de">Irrlichter</text>
-      <text locale="en">Wisps</text>
-    </string>
     <string name="bad_dreams">
       <text locale="de">Schlechte Träume</text>
       <text locale="en">Bad Dreams</text>
@@ -4783,14 +4779,6 @@
       nach dem Tod zu schwach ist, das neue Gefäß zu erreichen.
       </text>
     </string>
-    <string name="wisps">
-      <text locale="de">
-      Der Zauberer spricht eine Beschwörung über einen Teil der Region, 
-      und in der Folgewoche entstehen dort Irrlichter. 
-      Wer durch diese Nebel wandert, wird von Visionen geplagt und 
-      in die Irre geleitet.
-      </text>
-    </string>
     <string name="great_drought">
       <text locale="de">
       Dieses mächtige Ritual öffnet ein Tor in die Elementarebene der 
diff --git a/core/res/messages.xml b/core/res/messages.xml
index 354209ceb..82db333ea 100644
--- a/core/res/messages.xml
+++ b/core/res/messages.xml
@@ -1744,15 +1744,6 @@
     <text locale="de">"$unit($mage) verwandelt sich in einen Wyrm."</text>
     <text locale="en">"$unit($mage) turns into a wyrm."</text>
   </message>
-  <message name="wisps_effect" section="magic">
-    <type>
-      <arg name="mage" type="unit"/>
-      <arg name="region" type="region"/>
-    </type>
-    <text locale="de">"$unit($mage) ruft Irrlichter in $region($region)."</text>
-    <text locale="fr">"$unit($mage) summons wisps in $region($region)."</text>
-    <text locale="en">"$unit($mage) summons wisps in $region($region)."</text>
-  </message>
   <message name="firewall_effect" section="magic">
     <type>
       <arg name="mage" type="unit"/>
diff --git a/res/eressea/spellbooks/gray.xml b/res/eressea/spellbooks/gray.xml
index bdb751b15..4356cde5e 100644
--- a/res/eressea/spellbooks/gray.xml
+++ b/res/eressea/spellbooks/gray.xml
@@ -164,7 +164,6 @@
   <entry spell="versteinern" level="8" />
   <entry spell="view_reality" level="10" />
   <entry spell="windshield" level="4" />
-  <entry spell="wisps" level="7" />
   <entry spell="wolfhowl" level="7" />
   <entry spell="wyrm_transformation" level="1" />
 </spellbook>
diff --git a/res/eressea/spellbooks/illaun.xml b/res/eressea/spellbooks/illaun.xml
index a0d2caf52..81825e424 100644
--- a/res/eressea/spellbooks/illaun.xml
+++ b/res/eressea/spellbooks/illaun.xml
@@ -18,7 +18,6 @@
   <entry spell="icastle" level="3" />
   <entry spell="illaundestroymagic" level="8" />
   <entry spell="shadowknights" level="1" />
-  <entry spell="wisps" level="7" />
   <entry spell="sparkledream" level="1" />
   <entry spell="puttorest" level="2" />
   <entry spell="clone" level="9" />
diff --git a/res/eressea/spells.xml b/res/eressea/spells.xml
index 6b8fec30c..23da434b5 100644
--- a/res/eressea/spells.xml
+++ b/res/eressea/spells.xml
@@ -415,9 +415,6 @@
   <spell name="firewall" rank="4" index="151" syntax="direction" parameters="c" variable="true">
     <resource name="aura" amount="6" cost="level"/>
   </spell>
-  <spell name="wisps" rank="5" index="152" syntax="direction" parameters="c" far="true" variable="true">
-    <resource name="aura" amount="2" cost="level"/>
-  </spell>
   <spell name="sparklechaos" rank="5" index="153" parameters="u" los="true" variable="true">
     <resource name="aura" amount="1" cost="level"/>
   </spell>
diff --git a/src/kernel/magic.c b/src/kernel/magic.c
index c3970bed4..d9bad64e8 100644
--- a/src/kernel/magic.c
+++ b/src/kernel/magic.c
@@ -386,7 +386,7 @@ static int read_seenspell(attrib * a, void *owner, struct storage *store)
     }
     sp = find_spell(token);
     if (!sp) {
-      log_error("read_seenspell: could not find spell '%s'\n", token);
+      log_warning("read_seenspell: could not find spell '%s'\n", token);
     }
   }
   if (!sp) {