diff --git a/tests/asset.rs b/tests/asset.rs
index 66f5448..b344dd5 100644
--- a/tests/asset.rs
+++ b/tests/asset.rs
@@ -15,11 +15,3 @@ fn all_asset_paths_exist() {
         assert_that(&metadata.len()).is_greater_than(1024);
     }
 }
-
-#[test]
-fn asset_paths_are_non_empty() {
-    for asset in Asset::iter() {
-        let path = asset.path();
-        assert_that(&path.is_empty()).is_false();
-    }
-}
diff --git a/tests/constants.rs b/tests/constants.rs
deleted file mode 100644
index 50b7a70..0000000
--- a/tests/constants.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use pacman::constants::*;
-use speculoos::prelude::*;
-
-#[test]
-fn test_raw_board_structure() {
-    // Test board dimensions match expected size
-    assert_that(&RAW_BOARD.len()).is_equal_to(BOARD_CELL_SIZE.y as usize);
-    for row in RAW_BOARD.iter() {
-        assert_that(&row.len()).is_equal_to(BOARD_CELL_SIZE.x as usize);
-    }
-
-    // Test boundaries are properly walled
-    assert_that(&RAW_BOARD[0].chars().all(|c| c == '#')).is_true();
-    assert_that(&RAW_BOARD[RAW_BOARD.len() - 1].chars().all(|c| c == '#')).is_true();
-}
-
-#[test]
-fn test_raw_board_contains_required_elements() {
-    // Test that essential game elements are present
-    assert_that(&RAW_BOARD.iter().any(|row| row.contains('X'))).is_true();
-    assert_that(&RAW_BOARD.iter().any(|row| row.contains("=="))).is_true();
-    assert_that(&RAW_BOARD.iter().any(|row| row.chars().any(|c| c == 'T'))).is_true();
-    assert_that(&RAW_BOARD.iter().any(|row| row.chars().any(|c| c == 'o'))).is_true();
-}
diff --git a/tests/error.rs b/tests/error.rs
index ce806a2..41ee35b 100644
--- a/tests/error.rs
+++ b/tests/error.rs
@@ -1,76 +1,7 @@
-use pacman::error::{
-    AssetError, EntityError, GameError, GameResult, IntoGameError, MapError, OptionExt, ParseError, ResultExt, TextureError,
-};
+use pacman::error::{GameError, GameResult, IntoGameError, OptionExt, ResultExt};
 use speculoos::prelude::*;
 use std::io;
 
-#[test]
-fn test_game_error_from_asset_error() {
-    let asset_error = AssetError::NotFound("test.png".to_string());
-    let game_error: GameError = asset_error.into();
-    assert_that(&matches!(game_error, GameError::Asset(_))).is_true();
-}
-
-#[test]
-fn test_game_error_from_parse_error() {
-    let parse_error = ParseError::UnknownCharacter('Z');
-    let game_error: GameError = parse_error.into();
-    assert_that(&matches!(game_error, GameError::MapParse(_))).is_true();
-}
-
-#[test]
-fn test_game_error_from_map_error() {
-    let map_error = MapError::NodeNotFound(42);
-    let game_error: GameError = map_error.into();
-    assert_that(&matches!(game_error, GameError::Map(_))).is_true();
-}
-
-#[test]
-fn test_game_error_from_texture_error() {
-    let texture_error = TextureError::LoadFailed("Failed to load".to_string());
-    let game_error: GameError = texture_error.into();
-    assert_that(&matches!(game_error, GameError::Texture(_))).is_true();
-}
-
-#[test]
-fn test_game_error_from_entity_error() {
-    let entity_error = EntityError::NodeNotFound(10);
-    let game_error: GameError = entity_error.into();
-    assert_that(&matches!(game_error, GameError::Entity(_))).is_true();
-}
-
-#[test]
-fn test_game_error_from_io_error() {
-    let io_error = io::Error::new(io::ErrorKind::NotFound, "File not found");
-    let game_error: GameError = io_error.into();
-    assert_that(&matches!(game_error, GameError::Io(_))).is_true();
-}
-
-#[test]
-fn test_asset_error_from_io_error() {
-    let io_error = io::Error::new(io::ErrorKind::PermissionDenied, "Permission denied");
-    let asset_error: AssetError = io_error.into();
-    assert_that(&matches!(asset_error, AssetError::Io(_))).is_true();
-}
-
-#[test]
-fn test_parse_error_display() {
-    let error = ParseError::UnknownCharacter('!');
-    assert_that(&error.to_string()).is_equal_to("Unknown character in board: !".to_string());
-
-    let error = ParseError::InvalidHouseDoorCount(3);
-    assert_that(&error.to_string()).is_equal_to("House door must have exactly 2 positions, found 3".to_string());
-}
-
-#[test]
-fn test_entity_error_display() {
-    let error = EntityError::NodeNotFound(42);
-    assert_that(&error.to_string()).is_equal_to("Node not found in graph: 42".to_string());
-
-    let error = EntityError::EdgeNotFound { from: 1, to: 2 };
-    assert_that(&error.to_string()).is_equal_to("Edge not found: from 1 to 2".to_string());
-}
-
 #[test]
 fn test_into_game_error_trait() {
     let result: Result<i32, io::Error> = Err(io::Error::new(io::ErrorKind::Other, "test error"));
diff --git a/tests/profiling.rs b/tests/profiling.rs
index 29d3f5c..40d4858 100644
--- a/tests/profiling.rs
+++ b/tests/profiling.rs
@@ -73,25 +73,6 @@ fn test_default_zero_timing_for_unused_systems() {
     }
 }
 
-#[test]
-fn test_pre_populated_timing_entries() {
-    let timings = SystemTimings::default();
-
-    // Verify that we can add timing to any SystemId without panicking
-    // (this would fail with the old implementation if the entry didn't exist)
-    // Use the same tick for all systems to avoid zero-padding
-    for id in SystemId::iter() {
-        timings.add_timing(id, Duration::from_nanos(1), 1);
-    }
-
-    // Verify all systems now have non-zero timing
-    let stats = timings.get_stats(1);
-    for id in SystemId::iter() {
-        let (avg, _) = stats.get(&id).unwrap();
-        assert_that(&(*avg > Duration::ZERO)).is_true();
-    }
-}
-
 #[test]
 fn test_total_system_timing() {
     let timings = SystemTimings::default();