diff --git a/Cargo.lock b/Cargo.lock
index 02ab5768c..3c9d29cba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -444,7 +444,6 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "memmap 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -953,15 +952,6 @@ dependencies = [
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "memmap"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "memoffset"
 version = "0.5.3"
@@ -2371,7 +2361,6 @@ dependencies = [
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 "checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
-"checksum memmap 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e2ffa2c986de11a9df78620c01eeaaf27d94d3ff02bf81bfcca953102dd0c6ff"
 "checksum memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "75189eb85871ea5c2e2c15abbdd541185f63b408415e5051f5cac122d8c774b9"
 "checksum mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
 "checksum mime_guess 1.8.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0d977de9ee851a0b16e932979515c0f3da82403183879811bc97d50bd9cc50f7"
diff --git a/meilidb-core/Cargo.toml b/meilidb-core/Cargo.toml
index 5a0e10ad0..0b34be89c 100644
--- a/meilidb-core/Cargo.toml
+++ b/meilidb-core/Cargo.toml
@@ -12,7 +12,7 @@ chrono = { version = "0.4.9", features = ["serde"] }
 crossbeam-channel = "0.4.0"
 deunicode = "1.0.0"
 env_logger = "0.7.0"
-fst = "0.3.5"
+fst = { version = "0.3.5", default-features = false }
 hashbrown = { version = "0.6.0", features = ["serde"] }
 heed = "0.5.0"
 levenshtein_automata = { version = "0.1.1", features = ["fst_automaton"] }