diff --git a/source/duke3d/src/config.cpp b/source/duke3d/src/config.cpp
index 9122a7df1..fbc255e18 100644
--- a/source/duke3d/src/config.cpp
+++ b/source/duke3d/src/config.cpp
@@ -46,23 +46,10 @@ hashtable_t h_gamefuncs    = { NUMGAMEFUNCTIONS<<1, NULL };
 
 int32_t CONFIG_FunctionNameToNum(const char *func)
 {
-    int32_t i;
-
     if (!func)
         return -1;
 
-    i = hash_find(&h_gamefuncs,func);
-
-    if (i < 0)
-    {
-        char *str = Bstrtolower(Xstrdup(func));
-        i = hash_find(&h_gamefuncs,str);
-        Bfree(str);
-
-        return i;
-    }
-
-    return i;
+    return hash_findcase(&h_gamefuncs, func);
 }
 
 
diff --git a/source/duke3d/src/game.cpp b/source/duke3d/src/game.cpp
index 9d919dfa6..9faf3f2e6 100644
--- a/source/duke3d/src/game.cpp
+++ b/source/duke3d/src/game.cpp
@@ -6243,10 +6243,7 @@ int app_main(int argc, char const * const * argv)
         if (gamefunctions[i][0] == '\0')
             continue;
 
-        char *str = Bstrtolower(Xstrdup(gamefunctions[i]));
         hash_add(&h_gamefuncs,gamefunctions[i],i,0);
-        hash_add(&h_gamefuncs,str,i,0);
-        Bfree(str);
     }
 
 #ifdef STARTUP_SETUP_WINDOW
diff --git a/source/duke3d/src/gamedef.cpp b/source/duke3d/src/gamedef.cpp
index fb35ede43..90799e4ce 100644
--- a/source/duke3d/src/gamedef.cpp
+++ b/source/duke3d/src/gamedef.cpp
@@ -5195,12 +5195,7 @@ repeatcase:
 
             i = 0;
 
-            {
-                hash_delete(&h_gamefuncs, gamefunctions[j]);
-                char *str = Bstrtolower(Xstrdup(gamefunctions[j]));
-                hash_delete(&h_gamefuncs, str);
-                Bfree(str);
-            }
+            hash_delete(&h_gamefuncs, gamefunctions[j]);
 
             while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0)
             {
@@ -5225,11 +5220,6 @@ repeatcase:
             }
             gamefunctions[j][i] = '\0';
             hash_add(&h_gamefuncs,gamefunctions[j],j,0);
-            {
-                char *str = Bstrtolower(Xstrdup(gamefunctions[j]));
-                hash_add(&h_gamefuncs,str,j,0);
-                Bfree(str);
-            }
 
             continue;
 
@@ -5248,12 +5238,7 @@ repeatcase:
                 continue;
             }
 
-            {
-                hash_delete(&h_gamefuncs, gamefunctions[j]);
-                char *str = Bstrtolower(Xstrdup(gamefunctions[j]));
-                hash_delete(&h_gamefuncs, str);
-                Bfree(str);
-            }
+            hash_delete(&h_gamefuncs, gamefunctions[j]);
 
             gamefunctions[j][0] = '\0';