diff --git a/spell/Change_Ability/spell_immunity_to_attack.arc b/spell/Change_Ability/spell_immunity_to_attack.arc
deleted file mode 100644
index 862d8652b..000000000
--- a/spell/Change_Ability/spell_immunity_to_attack.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_attack
-anim_suffix spellcasting
-name immunity to attack
-name_pl immunity to attack
-level 26
-grace 170
-casting_time 50
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 200
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_physical 100
-msg
-Grants complete protection against physical attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_cold.arc b/spell/Change_Ability/spell_immunity_to_cold.arc
deleted file mode 100644
index 2547c5da0..000000000
--- a/spell/Change_Ability/spell_immunity_to_cold.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_cold
-anim_suffix spellcasting
-name immunity to cold
-name_pl immunity to cold
-level 6
-grace 60
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 60
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_cold 100
-msg
-Grants complete protection against cold-based attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_draining.arc b/spell/Change_Ability/spell_immunity_to_draining.arc
deleted file mode 100644
index 5327e8d8b..000000000
--- a/spell/Change_Ability/spell_immunity_to_draining.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_draining
-anim_suffix spellcasting
-name immunity to draining
-name_pl immunity to draining
-level 18
-grace 75
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 180
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_drain 100
-msg
-Grants complete protection from attacks that drain experience.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_electricity.arc b/spell/Change_Ability/spell_immunity_to_electricity.arc
deleted file mode 100644
index 6bbdaa206..000000000
--- a/spell/Change_Ability/spell_immunity_to_electricity.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_electricity
-anim_suffix spellcasting
-name immunity to electricity
-name_pl immunity to electricity
-level 8
-grace 65
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 80
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_electricity 100
-msg
-Grants complete protection from electrical attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_fire.arc b/spell/Change_Ability/spell_immunity_to_fire.arc
deleted file mode 100644
index d94c39baf..000000000
--- a/spell/Change_Ability/spell_immunity_to_fire.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_fire
-anim_suffix spellcasting
-name immunity to fire
-name_pl immunity to fire
-level 10
-grace 70
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 10
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_fire 100
-msg
-Grants complete protection from fire-based attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_magic.arc b/spell/Change_Ability/spell_immunity_to_magic.arc
deleted file mode 100644
index 2d580bde8..000000000
--- a/spell/Change_Ability/spell_immunity_to_magic.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_magic
-anim_suffix spellcasting
-name immunity to magic
-name_pl immunity to magic
-level 20
-grace 150
-casting_time 30
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 200
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_magic 100
-msg
-Grants complete protection from magical attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_paralysis.arc b/spell/Change_Ability/spell_immunity_to_paralysis.arc
deleted file mode 100644
index 184cf03d3..000000000
--- a/spell/Change_Ability/spell_immunity_to_paralysis.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_paralysis
-anim_suffix spellcasting
-name immunity to paralysis
-name_pl immunity to paralysis
-level 16
-grace 60
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 160
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_paralyze 100
-msg
-Grants complete protection from paralyzing attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_poison.arc b/spell/Change_Ability/spell_immunity_to_poison.arc
deleted file mode 100644
index c54a0b155..000000000
--- a/spell/Change_Ability/spell_immunity_to_poison.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_poison
-anim_suffix spellcasting
-name immunity to poison
-name_pl immunity to poison
-level 12
-grace 60
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 120
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_poison 100
-msg
-Grants complete protection from poisoning attacks.
-endmsg
-end
diff --git a/spell/Change_Ability/spell_immunity_to_slow.arc b/spell/Change_Ability/spell_immunity_to_slow.arc
deleted file mode 100644
index cc1fc3ccd..000000000
--- a/spell/Change_Ability/spell_immunity_to_slow.arc
+++ /dev/null
@@ -1,23 +0,0 @@
-# Obsolete spell - here for backward compatibility
-Object spell_immunity_to_slow
-anim_suffix spellcasting
-name immunity to slow
-name_pl immunity to slow
-level 14
-grace 60
-casting_time 10
-path_attuned 0
-skill praying
-type 101
-subtype 24
-value 140
-no_drop 1
-invisible 1
-duration_modifier 4
-duration 500
-maxgrace 50
-resist_slow 100
-msg
-Grants complete protection against attacks that would normally magically slow the caster.
-endmsg
-end