diff --git a/FiraCode.glyphs b/FiraCode.glyphs
index 6e5ed5f852..d4bd9a6cd4 100644
--- a/FiraCode.glyphs
+++ b/FiraCode.glyphs
@@ -1103,8 +1103,6 @@ lookup colon_colon_colon {
   ignore sub colon colon' colon colon;
   ignore sub colon' colon colon colon;
   ignore sub parenleft question colon' colon colon;
-  ignore sub colon' colon colon [less greater];
-  ignore sub [less greater] colon' colon colon;
   sub colon.spacer colon.spacer colon' by colon_colon_colon.liga;
   sub colon.spacer colon'       colon  by colon.spacer;
   sub colon'       colon        colon  by colon.spacer;
@@ -1365,8 +1363,6 @@ lookup colon_colon {
   ignore sub colon colon' colon;
   ignore sub colon' colon colon;
   ignore sub parenleft question colon' colon;
-  ignore sub colon' colon [less greater];
-  ignore sub [less greater] colon' colon;
   sub colon.spacer colon' by colon_colon.liga;
   sub colon'       colon  by colon.spacer;
 } colon_colon;
@@ -1658,9 +1654,6 @@ lookup center {
     #574 :>= :<=
     ignore sub colon' [less greater] [equal hyphen];
 
-    #1145 ::< ::> <:: >::
-    ignore sub colon colon' [less greater];
-    ignore sub [less greater]' colon colon;
 
     # middles & ends
     sub [less.center greater.center colon.center] colon' by colon.center;
diff --git a/clojure/fira_code/calt.clj b/clojure/fira_code/calt.clj
index a68476a090..48f920d995 100755
--- a/clojure/fira_code/calt.clj
+++ b/clojure/fira_code/calt.clj
@@ -73,17 +73,6 @@
       "  ignore sub slash asterisk' asterisk asterisk;\n"
       "  ignore sub asterisk' asterisk asterisk slash;\n")
 
-    ;; #1061
-    ["colon" "colon"]
-    (str
-      "  ignore sub colon' colon [less greater];\n"
-      "  ignore sub [less greater] colon' colon;\n")
-
-    ["colon" "colon" "colon"]
-    (str
-      "  ignore sub colon' colon colon [less greater];\n"
-      "  ignore sub [less greater] colon' colon colon;\n")
-
     ;; #621 <||>
     ["less" "bar" "bar"]
     "  ignore sub less' bar bar greater;\n"
diff --git a/features/calt/center.fea b/features/calt/center.fea
index 4f9a9511b8..5c6c15fffe 100644
--- a/features/calt/center.fea
+++ b/features/calt/center.fea
@@ -11,10 +11,6 @@ lookup center {
     #574 :>= :<=
     ignore sub colon' [less greater] [equal hyphen];
 
-    #1145 ::< ::> <:: >::
-    ignore sub colon colon' [less greater];
-    ignore sub [less greater]' colon colon;
-
     # middles & ends
     sub [less.center greater.center colon.center] colon' by colon.center;
     sub colon.center [less greater]' by [less.center greater.center];