diff --git a/Cargo.toml b/Cargo.toml
index 49a380e3..cf7b6450 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,8 +13,8 @@ edition = "2021"
 [dependencies]
 bytemuck = { version = "1.21.0", features = ["derive", "extern_crate_alloc"] }
 byteorder = "1.5.0"
-heed = { version = "0.21.0", default-features = false }
-log = "0.4.22"
+heed = { version = "0.20.5", default-features = false }
+log = "0.4.26"
 memmap2 = "0.9.5"
 ordered-float = "4.6.0"
 rand = { version = "0.8.5", features = ["alloc"] }
diff --git a/src/spaces/mod.rs b/src/spaces/mod.rs
index 15009da1..0d911d2b 100644
--- a/src/spaces/mod.rs
+++ b/src/spaces/mod.rs
@@ -1,10 +1,10 @@
 pub mod simple;
 
-#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
-mod simple_sse;
+// #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+// mod simple_sse;
 
-#[cfg(target_arch = "x86_64")]
-mod simple_avx;
+// #[cfg(target_arch = "x86_64")]
+// mod simple_avx;
 
 #[cfg(target_arch = "aarch64")]
 mod simple_neon;
diff --git a/src/spaces/simple.rs b/src/spaces/simple.rs
index fbf4fc21..1e610a51 100644
--- a/src/spaces/simple.rs
+++ b/src/spaces/simple.rs
@@ -1,9 +1,9 @@
-#[cfg(target_arch = "x86_64")]
-use super::simple_avx::*;
+// #[cfg(target_arch = "x86_64")]
+// use super::simple_avx::*;
 #[cfg(all(target_arch = "aarch64", target_feature = "neon"))]
 use super::simple_neon::*;
-#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
-use super::simple_sse::*;
+// #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+// use super::simple_sse::*;
 use crate::unaligned_vector::{BinaryQuantized, UnalignedVector};
 
 #[cfg(target_arch = "x86_64")]
@@ -23,14 +23,14 @@ pub fn euclidean_distance(u: &UnalignedVector<f32>, v: &UnalignedVector<f32>) ->
             && is_x86_feature_detected!("fma")
             && u.len() >= MIN_DIM_SIZE_AVX
         {
-            return unsafe { euclid_similarity_avx(u, v) };
+            // return unsafe { euclid_similarity_avx(u, v) };
         }
     }
 
     #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
     {
         if is_x86_feature_detected!("sse") && u.len() >= MIN_DIM_SIZE_SIMD {
-            return unsafe { euclid_similarity_sse(u, v) };
+            // return unsafe { euclid_similarity_sse(u, v) };
         }
     }
 
@@ -57,14 +57,14 @@ pub fn dot_product(u: &UnalignedVector<f32>, v: &UnalignedVector<f32>) -> f32 {
             && is_x86_feature_detected!("fma")
             && u.len() >= MIN_DIM_SIZE_AVX
         {
-            return unsafe { dot_similarity_avx(u, v) };
+            // return unsafe { dot_similarity_avx(u, v) };
         }
     }
 
     #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
     {
         if is_x86_feature_detected!("sse") && u.len() >= MIN_DIM_SIZE_SIMD {
-            return unsafe { dot_similarity_sse(u, v) };
+            // return unsafe { dot_similarity_sse(u, v) };
         }
     }
 
diff --git a/src/unaligned_vector/mod.rs b/src/unaligned_vector/mod.rs
index 1b0cc899..d7598ab3 100644
--- a/src/unaligned_vector/mod.rs
+++ b/src/unaligned_vector/mod.rs
@@ -117,6 +117,7 @@ impl<Codec: UnalignedVectorCodec> UnalignedVector<Codec> {
         self.vector.is_empty()
     }
     /// Returns the raw pointer to the start of this slice.
+    #[allow(unused)]
     pub(crate) fn as_ptr(&self) -> *const u8 {
         self.vector.as_ptr()
     }