diff --git a/.gitignore b/.gitignore
index c1ac5a914..74e393570 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,4 +34,5 @@ examples/5.koma_paper/comparison_accuracy/**/*.mrd
 examples/5.koma_paper/mrf/**/*.mrd
 examples/5.koma_paper/comparison_accuracy/**/*.mat
 examples/5.koma_paper/comparison_accuracy/**/*.h5
-!examples/5.koma_paper/Manifest.toml
\ No newline at end of file
+!examples/5.koma_paper/Manifest.toml
+*_w.phantom
\ No newline at end of file
diff --git a/KomaMRIFiles/test/runtests.jl b/KomaMRIFiles/test/runtests.jl
index 02d9a432f..cca82be15 100644
--- a/KomaMRIFiles/test/runtests.jl
+++ b/KomaMRIFiles/test/runtests.jl
@@ -53,7 +53,7 @@ using TestItems, TestItemRunner
         using KomaMRIBase
         path = @__DIR__
         # NoMotion
-        filename = path * "/test_files/brain_nomotion.phantom"
+        filename = path * "/test_files/brain_nomotion_w.phantom"
         obj1 = brain_phantom2D()
         write_phantom(obj1, filename)
         obj2 = read_phantom(filename)
@@ -62,7 +62,7 @@ using TestItems, TestItemRunner
     @testset "SimpleMotion" begin
         # SimpleMotion
         path = @__DIR__
-        filename = path * "/test_files/brain_simplemotion.phantom"
+        filename = path * "/test_files/brain_simplemotion_w.phantom"
         obj1 = brain_phantom2D()
         obj1.motion = SimpleMotion(
             PeriodicRotation(
@@ -85,7 +85,7 @@ using TestItems, TestItemRunner
     @testset "ArbitraryMotion" begin
         # ArbitraryMotion
         path = @__DIR__
-        filename = path * "/test_files/brain_arbitrarymotion.phantom"
+        filename = path * "/test_files/brain_arbitrarymotion_w.phantom"
         obj1 = brain_phantom2D()
         Ns = length(obj1)
         K = 10
diff --git a/KomaMRIFiles/test/test_files/brain_arbitrarymotion.phantom b/KomaMRIFiles/test/test_files/brain_arbitrarymotion.phantom
deleted file mode 100644
index 2010fcf20..000000000
Binary files a/KomaMRIFiles/test/test_files/brain_arbitrarymotion.phantom and /dev/null differ
diff --git a/KomaMRIFiles/test/test_files/brain_nomotion.phantom b/KomaMRIFiles/test/test_files/brain_nomotion.phantom
deleted file mode 100644
index cf0d1bae2..000000000
Binary files a/KomaMRIFiles/test/test_files/brain_nomotion.phantom and /dev/null differ
diff --git a/KomaMRIFiles/test/test_files/brain_simplemotion.phantom b/KomaMRIFiles/test/test_files/brain_simplemotion.phantom
deleted file mode 100644
index cfc0a7d34..000000000
Binary files a/KomaMRIFiles/test/test_files/brain_simplemotion.phantom and /dev/null differ