diff --git a/.gitignore b/.gitignore
index c4624fe..2c226ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,10 +28,6 @@ __pycache__
 
 # Test artifacts
 /tmp/
-tests/output/
-tests/cpp_*
-tests/debug_*
-tests/ref*/
 raw_weights/
 
 # Test data
diff --git a/CLAUDE.md b/CLAUDE.md
index c471d85..0ce2774 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -75,8 +75,6 @@ Only: ggml (submodule), stb_image/stb_image_write (vendored in `stb/`), C++14 st
 cd build && cmake .. && make -j$(sysctl -n hw.ncpu)
 ```
 
-Tests: `cmake .. -DSAM3_BUILD_TESTS=ON`
-
 ## Benchmarking
 
 `sam3_benchmark` tracks an object across video frames and reports latency for every model × backend combination. Each run is forked into a subprocess so a crash does not kill the suite.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0006638..4cb8056 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,9 +32,3 @@ option(SAM3_BUILD_EXAMPLES "Build example executables" ON)
 if(SAM3_BUILD_EXAMPLES AND CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     add_subdirectory(examples)
 endif()
-
-# Tests
-option(SAM3_BUILD_TESTS "Build test executables" OFF)
-if(SAM3_BUILD_TESTS)
-    add_subdirectory(tests)
-endif()
diff --git a/README.md b/README.md
index ab6c7ca..71a2c3a 100644
--- a/README.md
+++ b/README.md
@@ -202,13 +202,6 @@ Metal is enabled automatically on macOS. To disable it:
 cmake .. -DSAM3_METAL=OFF
 ```
 
-To build tests:
-
-```bash
-cmake .. -DSAM3_BUILD_TESTS=ON
-make -j
-```
-
 ## Usage
 
 ### Image Segmentation (Interactive GUI)