diff --git a/res/adamantium.xml b/res/adamantium.xml
index cc1cedadc..decc5636c 100644
--- a/res/adamantium.xml
+++ b/res/adamantium.xml
@@ -7,7 +7,6 @@
     </item>
     <resourcelimit>
       <modifier type="require" building="mine"/>
-      <guard flag="mining"/>
     </resourcelimit>
   </resource>
 
diff --git a/res/core/resources/mallorn.xml b/res/core/resources/mallorn.xml
index 2d301758e..fc678e79e 100644
--- a/res/core/resources/mallorn.xml
+++ b/res/core/resources/mallorn.xml
@@ -6,7 +6,6 @@
   <resourcelimit>
     <modifier building="sawmill" type="skill" value="1"/>
     <modifier building="sawmill" type="material" value="0.5"/>
-    <guard flag="logging"/>
     <function name="produce" value="lua_produceresource"/>
     <function name="limit" value="lua_limitresource"/>
   </resourcelimit>
diff --git a/res/e3a/resources/iron.xml b/res/e3a/resources/iron.xml
index b245da358..06b70e45a 100644
--- a/res/e3a/resources/iron.xml
+++ b/res/e3a/resources/iron.xml
@@ -6,6 +6,5 @@
   <resourcelimit>
     <modifier building="mine" type="skill" value="1"/>
     <modifier building="mine" type="material" value="0.5"/>
-    <guard flag="mining"/>
   </resourcelimit>
 </resource>