diff --git a/cmake_targets/tools/fix_asn1 b/cmake_targets/tools/fix_asn1
index 0661d7878de20d86741df8e222875f3e7c79ab38..6d55e1e9bc76685c854de837553cf3449e88a591 100755
--- a/cmake_targets/tools/fix_asn1
+++ b/cmake_targets/tools/fix_asn1
@@ -9,13 +9,6 @@ RRC_Rel10=(
 
 X2AP_Rel11_2=(
   "X2ap-CriticalityDiagnostics-IE-List.h" ae96308b37fcbcbf39da5012e42968135fc5f27b "fix_asn1.data/X2AP.rel11.2/X2ap-CriticalityDiagnostics-IE-List.h.diff"
-  "NativeInteger.c"                       1a55f5402fd363318cf5444ffe1f67530dcf66ff "fix_asn1.data/X2AP.rel11.2/NativeInteger.c.diff"
-  "constr_SET_OF.c"                       808cbbdf19b118c0bdb04e3acf2cbe6e4133be2b "fix_asn1.data/X2AP.rel11.2/constr_SET_OF.c.diff"
-)
-
-S1AP_Rel10_5=(
-  "NativeInteger.c" 1a55f5402fd363318cf5444ffe1f67530dcf66ff "fix_asn1.data/S1AP.rel10.5/NativeInteger.c.diff"
-  "constr_SET_OF.c" 808cbbdf19b118c0bdb04e3acf2cbe6e4133be2b "fix_asn1.data/S1AP.rel10.5/constr_SET_OF.c.diff"
 )
 
 red_color="$(tput setaf 1)"
@@ -130,8 +123,7 @@ function patch_s1ap()
 
   case "$version" in
     R10 )
-      echo "patching S1AP files release 10.5"
-      apply_patches "$directory" S1AP_Rel10_5 ${#S1AP_Rel10_5[*]}
+      #nothing to do anymore (fixes went to asn1c)
       ;;
     * )
       error unknwon/unhandled S1AP version \'"$version"\'
diff --git a/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/NativeInteger.c.diff b/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/NativeInteger.c.diff
deleted file mode 100644
index 3b51426ad3fa008bec5131cd68d2bb0ea99d7750..0000000000000000000000000000000000000000
--- a/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/NativeInteger.c.diff
+++ /dev/null
@@ -1,8 +0,0 @@
-283c283
-< 	int dynamic = 0;
----
-> 	//int dynamic = 0;
-290c290
-< 		dynamic = 1;
----
-> 		//dynamic = 1;
diff --git a/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/constr_SET_OF.c.diff b/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/constr_SET_OF.c.diff
deleted file mode 100644
index 3ceaf5e3e5ccef48746cf5abf2952aa0c6910224..0000000000000000000000000000000000000000
--- a/cmake_targets/tools/fix_asn1.data/S1AP.rel10.5/constr_SET_OF.c.diff
+++ /dev/null
@@ -1,4 +0,0 @@
-1007c1007
-< 				(int)nelems, (int)ct ? ct->effective_bits : -1);
----
-> 				(int)nelems, ct ? ct->effective_bits : -1);
diff --git a/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/NativeInteger.c.diff b/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/NativeInteger.c.diff
deleted file mode 100644
index 3b51426ad3fa008bec5131cd68d2bb0ea99d7750..0000000000000000000000000000000000000000
--- a/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/NativeInteger.c.diff
+++ /dev/null
@@ -1,8 +0,0 @@
-283c283
-< 	int dynamic = 0;
----
-> 	//int dynamic = 0;
-290c290
-< 		dynamic = 1;
----
-> 		//dynamic = 1;
diff --git a/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/constr_SET_OF.c.diff b/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/constr_SET_OF.c.diff
deleted file mode 100644
index 3ceaf5e3e5ccef48746cf5abf2952aa0c6910224..0000000000000000000000000000000000000000
--- a/cmake_targets/tools/fix_asn1.data/X2AP.rel11.2/constr_SET_OF.c.diff
+++ /dev/null
@@ -1,4 +0,0 @@
-1007c1007
-< 				(int)nelems, (int)ct ? ct->effective_bits : -1);
----
-> 				(int)nelems, ct ? ct->effective_bits : -1);