diff --git a/euphonic/data/interpolation.py b/euphonic/data/interpolation.py
index 5513b2f6f..086f93ef3 100644
--- a/euphonic/data/interpolation.py
+++ b/euphonic/data/interpolation.py
@@ -250,16 +250,9 @@ def calculate_fine_phonons(
         # Try to create a multiprocessing pool first, in case it fails
         if nprocs > 1:
             try:
-                import signal
                 from multiprocessing import Pool
                 from functools import partial
-                # Temporarily remove SIGINT handler before creating pool, so
-                # child processes don't inherit it. Instead handle SIGINT
-                # (e.g. keyboard interrupts) from the main process only and
-                # terminate the pool before exiting
-                sigint_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
                 pool = Pool(processes=nprocs)
-                signal.signal(signal.SIGINT, sigint_handler)
             except RuntimeError:
                 warnings.warn(('\nA RuntimeError was raised when initialising '
                                'the multiprocessing Pool. This is probably due'
diff --git a/setup.py b/setup.py
index 88ac3642d..74cede0ba 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name='euphonic',
-    version='0.1dev2',
+    version='0.1dev3',
     author='Rebecca Fair',
     author_email='rebecca.fair@stfc.ac.uk',
     description=(