diff --git a/Cargo.lock b/Cargo.lock
index b9784bd11..495248f14 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -15,32 +15,12 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "alga"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f823d037a7ec6ea2197046bafd4ae150e6bc36f9ca347404f46a46823fa84f2"
-dependencies = [
- "approx",
- "num-complex 0.2.4",
- "num-traits",
-]
-
 [[package]]
 name = "allocator-api2"
 version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
 
-[[package]]
-name = "approx"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0e60b75072ecd4168020818c0107f2857bb6c4e64252d8d3983f6263b40a5c3"
-dependencies = [
- "num-traits",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -189,12 +169,6 @@ version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
-[[package]]
-name = "libm"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
-
 [[package]]
 name = "matrixmultiply"
 version = "0.3.9"
@@ -227,7 +201,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "882ed72dce9365842bf196bdeedf5055305f11fc8c03dee7bb0194a6cad34841"
 dependencies = [
  "matrixmultiply",
- "num-complex 0.4.6",
+ "num-complex",
  "num-integer",
  "num-traits",
  "portable-atomic",
@@ -270,16 +244,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "num-complex"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
 [[package]]
 name = "num-complex"
 version = "0.4.6"
@@ -305,7 +269,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
- "libm",
 ]
 
 [[package]]
@@ -326,7 +289,7 @@ checksum = "cf314fca279e6e6ac2126a4ff98f26d88aa4ad06bc68fb6ae5cf4bd706758311"
 dependencies = [
  "libc",
  "ndarray",
- "num-complex 0.4.6",
+ "num-complex",
  "num-integer",
  "num-traits",
  "pyo3",
@@ -406,7 +369,7 @@ dependencies = [
  "libc",
  "memoffset",
  "num-bigint",
- "num-complex 0.4.6",
+ "num-complex",
  "once_cell",
  "portable-atomic",
  "pyo3-build-config",
@@ -571,7 +534,7 @@ dependencies = [
  "ndarray",
  "ndarray-stats",
  "num-bigint",
- "num-complex 0.4.6",
+ "num-complex",
  "num-traits",
  "numpy",
  "petgraph",
@@ -655,9 +618,8 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "704ef26d974e8a452313ed629828cd9d4e4fa34667ca1ad9d6b1fffa43c6e166"
 dependencies = [
- "alga",
  "ndarray",
- "num-complex 0.4.6",
+ "num-complex",
  "num-traits",
  "num_cpus",
  "rayon",
diff --git a/Cargo.toml b/Cargo.toml
index cb2a23ece..21f769480 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,6 +67,7 @@ features = ["abi3-py39", "extension-module", "hashbrown", "num-bigint", "num-com
 
 [dependencies.sprs]
 version = "^0.11"
+default-features = false
 features = ["multi_thread"]
 
 [profile.release]