diff --git a/pyfstat/__init__.py b/pyfstat/__init__.py
index d54f07893640c17d08af342373ccf90a74074328..06b11f76006177e75d34485af8b65f8e3771369a 100644
--- a/pyfstat/__init__.py
+++ b/pyfstat/__init__.py
@@ -3,5 +3,3 @@ from __future__ import division as _division
 from .core import BaseSearchClass, ComputeFstat, Writer, SemiCoherentSearch, SemiCoherentGlitchSearch
 from .mcmc_based_searches import MCMCSearch, MCMCGlitchSearch, MCMCSemiCoherentSearch, MCMCFollowUpSearch, MCMCTransientSearch
 from .grid_based_searches import GridSearch, GridUniformPriorSearch, GridGlitchSearch, FrequencySlidingWindow
-from .injection_helper_functions import get_frequency_range_of_signal
-