diff --git a/data/components/hardpoints/cannon.json b/data/components/hardpoints/cannon.json
index 42bb7afb..79f1df2d 100755
--- a/data/components/hardpoints/cannon.json
+++ b/data/components/hardpoints/cannon.json
@@ -15,7 +15,6 @@
       "rof": 0.4,
       "dps": 5,
       "thermload": 2,
-      "grp": "c",
       "clip": 5,
       "mjdps": 8.13,
       "ssdam" : 37.13,
@@ -36,7 +35,6 @@
       "rof": 0.4,
       "dps": 4,
       "thermload": 2,
-      "grp": "c",
       "clip": 5,
       "mjdps": 10.97,
       "ssdam" : 30.94,
@@ -57,7 +55,6 @@
       "rof": 0.4,
       "dps": 4,
       "thermload": 2,
-      "grp": "c",
       "clip": 5,
       "mjdps": 8.13,
       "ssdam" : 22.28,
@@ -78,7 +75,6 @@
       "rof": 0.4,
       "dps": 4,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 7.95,
       "ssdam" : 21.04,
@@ -99,7 +95,6 @@
       "rof": 0.3,
       "dps": 4,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 3.58,
       "ssdam" : 12.38,
@@ -120,7 +115,6 @@
       "rof": 0.5,
       "dps": 4,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 6.00,
       "ssdam" : 15.47,
@@ -141,7 +135,6 @@
       "rof": 0.5,
       "dps": 3,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 6.24,
       "ssdam" : 15.47,
@@ -162,7 +155,6 @@
       "rof": 0.3,
       "dps": 3,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 2.41,
       "ssdam" : 7.74,
@@ -183,7 +175,6 @@
       "rof": 0.5,
       "dps": 3,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 4.00,
       "ssdam" : 9.59,
@@ -204,7 +195,6 @@
       "rof": 0.5,
       "dps": 3,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 3.80,
       "ssdam" : 8.97,
@@ -225,7 +215,6 @@
       "rof": 0.4,
       "dps": 3,
       "thermload": 1,
-      "grp": "c",
       "clip": 5,
       "mjdps" : 1.35,
       "ssdam" : 4.13,