diff --git a/Cargo.lock b/Cargo.lock
index aa1e87fe..51438a43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "addr2line"
@@ -67,15 +67,9 @@ checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
 [[package]]
 name = "anstyle"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bec1de6f59aedf83baf9ff929c98f2ad654b97c9510f4e70cf6f661d49fd5b1"
-
-[[package]]
-name = "arrayvec"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+checksum = "8365de52b16c035ff4fcafe0092ba9390540e3e352870ac09933bebcaa2c8c56"
 
 [[package]]
 name = "asn1-rs"
@@ -295,12 +289,6 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
-[[package]]
-name = "const_panic"
-version = "0.2.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "013b6c2c3a14d678f38cd23994b02da3a1a1b6a5d1eedddfe63a5a5f11b13a81"
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -640,26 +628,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "konst"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50a0ba6de5f7af397afff922f22c149ff605c766cd3269cf6c1cd5e466dbe3b9"
-dependencies = [
- "const_panic",
- "konst_kernel",
- "typewit",
-]
-
-[[package]]
-name = "konst_kernel"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be0a455a1719220fd6adf756088e1c69a85bf14b6a9e24537a5cc04f503edb2b"
-dependencies = [
- "typewit",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -903,9 +871,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.88"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c3a7fc5db1e57d5a779a352c8cdb57b29aa4c40cc69c3a68a7fedc815fbf2f9"
+checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
 dependencies = [
  "unicode-ident",
 ]
@@ -938,7 +906,6 @@ dependencies = [
 name = "rasn"
 version = "0.20.2"
 dependencies = [
- "arrayvec",
  "bitvec",
  "bitvec-nom2",
  "bytes",
@@ -947,7 +914,6 @@ dependencies = [
  "either",
  "hashbrown",
  "iai-callgrind",
- "konst",
  "nom",
  "num-bigint",
  "num-integer",
@@ -1031,7 +997,6 @@ dependencies = [
  "itertools 0.13.0",
  "proc-macro2",
  "quote",
- "rayon",
  "syn",
  "uuid",
 ]
@@ -1129,9 +1094,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38200e5ee88914975b69f657f0801b6f6dccafd44fd9326302a4aaeecfacb1d8"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1220,18 +1185,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.211"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac55e59090389fb9f0dd9e0f3c09615afed1d19094284d0b200441f13550793"
+checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.211"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54be4f245ce16bc58d57ef2716271d0d4519e0f6defa147f6e081005bcb278ff"
+checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1311,9 +1276,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.82"
+version = "2.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83540f837a8afc019423a8edb95b52a8effe46957ee402287f4292fae35be021"
+checksum = "5023162dfcd14ef8f32034d8bcd4cc5ddc61ef7a247c024a33e24e1f24d21b56"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1339,18 +1304,18 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "thiserror"
-version = "1.0.64"
+version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
+checksum = "5d11abd9594d9b38965ef50805c5e469ca9cc6f197f883f717e0269a3057b3d5"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.64"
+version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
+checksum = "ae71770322cbd277e69d762a16c444af02aa0575ac0d174f0b9562d3b37f8602"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1419,21 +1384,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "typewit"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6fb9ae6a3cafaf0a5d14c2302ca525f9ae8e07a0f0e6949de88d882c37a6e24"
-dependencies = [
- "typewit_proc_macros",
-]
-
-[[package]]
-name = "typewit_proc_macros"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36a83ea2b3c704935a01b4642946aadd445cea40b10935e3f8bd8052b8193d6"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.13"
diff --git a/Cargo.toml b/Cargo.toml
index 8fcf380c..60962510 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,8 +28,6 @@ chrono = { version = "0.4.38", default-features = false, features = ["alloc"] }
 bitvec = { version = "1.0.1", default-features = false, features = ["alloc"] }
 
 [features]
-default = ["macros"]
-macros = ["rasn-derive"]
 std = []
 backtraces = ["std", "snafu/backtrace"]
 compiler = ["rasn-compiler"]
@@ -62,13 +60,11 @@ harness = false
 test = true
 
 [dependencies]
-arrayvec = { version = "0.7.6", default-features = false }
 bitvec.workspace = true
 bytes = { version = "1.7.2", default-features = false }
 chrono.workspace = true
 either = { version = "1.13.0", default-features = false }
 hashbrown = "0.14.5"
-konst = { version = "0.3.9", default-features = false }
 nom = { version = "7.1.3", default-features = false, features = ["alloc"] }
 nom-bitvec = { package = "bitvec-nom2", version = "0.2.1" }
 num-bigint = { version = "0.4.6", default-features = false }
@@ -81,7 +77,7 @@ once_cell = { version = "1.20.2", default-features = false, features = [
     "alloc",
 ] }
 rasn-compiler = { version = "0.5.3", optional = true }
-rasn-derive = { version = "0.20", path = "macros", optional = true }
+rasn-derive = { version = "0.20", path = "macros" }
 snafu = { version = "0.8.5", default-features = false, features = [
     "rust_1_81",
 ] }
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 8bebed33..ccbd7fbf 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -19,4 +19,3 @@ proc-macro2 = "1.0.88"
 itertools = "0.13"
 uuid = { version = "1.11.0", default-features = false, features = ["v4"] }
 either = { version = "1.13.0", default-features = false }
-rayon = "1.10.0"
diff --git a/macros/src/config.rs b/macros/src/config.rs
index b2c34d50..dc025cc4 100644
--- a/macros/src/config.rs
+++ b/macros/src/config.rs
@@ -1254,14 +1254,12 @@ impl StringValue {
                 values.push(StringRange::Range(start, end + is_inclusive as u32));
             }
         }
-
         let into_flat_set = |constraints: Vec<_>| {
-            use rayon::prelude::*;
             let mut set = constraints
                 .iter()
                 .flat_map(|from| match from {
                     StringRange::Single(value) => vec![*value],
-                    StringRange::Range(start, end) => (*start..*end).into_par_iter().collect(),
+                    StringRange::Range(start, end) => (*start..*end).collect::<Vec<u32>>(),
                 })
                 .collect::<Vec<u32>>();
             set.sort();
diff --git a/src/types/tag.rs b/src/types/tag.rs
index c7afa1f7..b79a0330 100644
--- a/src/types/tag.rs
+++ b/src/types/tag.rs
@@ -264,7 +264,7 @@ impl TagTree {
                     while inner_index < inner_tags.len() {
                         if Self::tree_contains(
                             &inner_tags[inner_index],
-                            konst::slice::slice_from(nodes, index + 1),
+                            nodes.split_at(index + 1).1,
                         ) {
                             return false;
                         }
@@ -280,7 +280,7 @@ impl TagTree {
                         return true;
                     }
 
-                    if Self::tag_contains(tag, konst::slice::slice_from(nodes, index + 1)) {
+                    if Self::tag_contains(tag, nodes.split_at(index + 1).1) {
                         return false;
                     }
                 }