diff --git a/src/gridtools/FourierTransform.cpp b/src/gridtools/FourierTransform.cpp
index 467e7a945a9b4fb5edefd1896c723d0c8f0af4fc..6ad69726a179b092f3727d4129f19ad87f6d2073 100644
--- a/src/gridtools/FourierTransform.cpp
+++ b/src/gridtools/FourierTransform.cpp
@@ -87,7 +87,7 @@ public:
 PLUMED_REGISTER_ACTION(FourierTransform,"FOURIER_TRANSFORM")
 
 void FourierTransform::registerKeywords( Keywords& keys ){
-  ActionWithInputGrid::registerKeywords( keys );
+  ActionWithInputGrid::registerKeywords( keys ); keys.remove("BANDWIDTH"); keys.remove("KERNEL");
   keys.add("optional","FT_TYPE","choose what kind of data you want as output on the grid. Possible values are: ABS = compute the complex modulus of Fourier coefficients (DEFAULT); NORM = compute the norm (i.e. ABS^2) of Fourier coefficients; COMPLEX = store the FFTW complex output on the grid (as a vector).");
   keys.add("compulsory","FOURIER_PARAMETERS","default","what kind of normalization is applied to the output and if the Fourier transform in FORWARD or BACKWARD. This keyword takes the form FOURIER_PARAMETERS=A,B, where A and B can be 0, 1 or -1. The default values are A=1 (no normalization at all) and B=1 (forward FFT). Other possible choices for A are: "
                                                        "A=-1: normalize by the number of data, "