diff --git a/src/urh/cythonext/path_creator.cpython-35m-x86_64-linux-gnu.so b/src/urh/cythonext/path_creator.cpython-35m-x86_64-linux-gnu.so
deleted file mode 100755
index ad6fd6d2..00000000
Binary files a/src/urh/cythonext/path_creator.cpython-35m-x86_64-linux-gnu.so and /dev/null differ
diff --git a/src/urh/cythonext/path_creator.pyd b/src/urh/cythonext/path_creator.pyd
deleted file mode 100644
index a0e62e8f..00000000
Binary files a/src/urh/cythonext/path_creator.pyd and /dev/null differ
diff --git a/src/urh/cythonext/signalFunctions.cpython-35m-x86_64-linux-gnu.so b/src/urh/cythonext/signalFunctions.cpython-35m-x86_64-linux-gnu.so
deleted file mode 100755
index 53a0bf20..00000000
Binary files a/src/urh/cythonext/signalFunctions.cpython-35m-x86_64-linux-gnu.so and /dev/null differ
diff --git a/src/urh/cythonext/signalFunctions.pyd b/src/urh/cythonext/signalFunctions.pyd
deleted file mode 100644
index 3698427b..00000000
Binary files a/src/urh/cythonext/signalFunctions.pyd and /dev/null differ
diff --git a/src/urh/cythonext/util.cpython-35m-x86_64-linux-gnu.so b/src/urh/cythonext/util.cpython-35m-x86_64-linux-gnu.so
deleted file mode 100755
index 8cb2b012..00000000
Binary files a/src/urh/cythonext/util.cpython-35m-x86_64-linux-gnu.so and /dev/null differ
diff --git a/src/urh/cythonext/util.pyd b/src/urh/cythonext/util.pyd
deleted file mode 100644
index 43de3bc3..00000000
Binary files a/src/urh/cythonext/util.pyd and /dev/null differ