diff --git a/audio/src/range_set.rs b/audio/src/range_set.rs
index 005a4cda..9c4b0b87 100644
--- a/audio/src/range_set.rs
+++ b/audio/src/range_set.rs
@@ -229,7 +229,6 @@ impl RangeSet {
                     self.ranges[self_index].end(),
                     other.ranges[other_index].end(),
                 );
-                assert!(new_start <= new_end);
                 result.add_range(&Range::new(new_start, new_end - new_start));
                 if self.ranges[self_index].end() <= other.ranges[other_index].end() {
                     self_index += 1;
diff --git a/connect/src/spirc.rs b/connect/src/spirc.rs
index bea95c57..91256326 100644
--- a/connect/src/spirc.rs
+++ b/connect/src/spirc.rs
@@ -1059,7 +1059,6 @@ impl SpircTask {
     fn handle_unavailable(&mut self, track_id: SpotifyId) {
         let unavailables = self.get_track_index_for_spotify_id(&track_id, 0);
         for &index in unavailables.iter() {
-            debug_assert_eq!(self.state.get_track()[index].get_gid(), track_id.to_raw());
             let mut unplayable_track_ref = TrackRef::new();
             unplayable_track_ref.set_gid(self.state.get_track()[index].get_gid().to_vec());
             // Misuse context field to flag the track
@@ -1320,8 +1319,6 @@ impl SpircTask {
             .filter(|&(_, track_ref)| track_ref.get_gid() == track_id.to_raw())
             .map(|(idx, _)| start_index + idx)
             .collect();
-        // Sanity check
-        debug_assert!(!index.is_empty());
         index
     }
 
diff --git a/core/src/authentication.rs b/core/src/authentication.rs
index 82df5060..1e5cf436 100644
--- a/core/src/authentication.rs
+++ b/core/src/authentication.rs
@@ -114,7 +114,6 @@ impl Credentials {
             let cipher = Aes192::new(GenericArray::from_slice(&key));
             let block_size = <Aes192 as BlockCipher>::BlockSize::to_usize();
 
-            assert_eq!(data.len() % block_size, 0);
             for chunk in data.chunks_exact_mut(block_size) {
                 cipher.decrypt_block(GenericArray::from_mut_slice(chunk));
             }
diff --git a/core/src/channel.rs b/core/src/channel.rs
index 607189a0..c601cd7a 100644
--- a/core/src/channel.rs
+++ b/core/src/channel.rs
@@ -173,7 +173,6 @@ impl Stream for Channel {
 
                     let length = BigEndian::read_u16(data.split_to(2).as_ref()) as usize;
                     if length == 0 {
-                        assert_eq!(data.len(), 0);
                         self.state = ChannelState::Data;
                     } else {
                         let header_id = data.split_to(1).as_ref()[0];
diff --git a/core/src/dealer/mod.rs b/core/src/dealer/mod.rs
index d598e6df..8da0a58c 100644
--- a/core/src/dealer/mod.rs
+++ b/core/src/dealer/mod.rs
@@ -165,6 +165,7 @@ fn split_uri(s: &str) -> Option<impl Iterator<Item = &'_ str>> {
     let rest = rest.trim_end_matches(sep);
     let mut split = rest.split(sep);
 
+    #[cfg(debug_assertions)]
     if rest.is_empty() {
         assert_eq!(split.next(), Some(""));
     }