diff --git a/src/helper_functions.jl b/src/helper_functions.jl
index 776898c2f33be8e88e9de067acfbd555f106f871..8733dc61c76a65a5768ea47660c021edb68019cd 100644
--- a/src/helper_functions.jl
+++ b/src/helper_functions.jl
@@ -1,10 +1,9 @@
 module HelperFunctions
 import JuMP: @constraint
-import ..BuildingBlocks: BuildingBlock
+import ..AllBuildingBlocks: BuildingBlock, Trapezoid, SpoiltSliceSelect, opposite_kspace_lines
 import ..BuildSequences: global_model, build_sequence
-import ..Sequences: Sequence
-import ..Pulses: SincPulse, ConstantPulse, InstantRFPulseBlock
-import ..Overlapping: TrapezoidGradient, SpoiltSliceSelect, opposite_kspace_lines
+import ..AllSequences: Sequence
+import ..Components: SincPulse, ConstantPulse, InstantPulse
 import ..Variables: qvec, flat_time, rise_time
 import ..Alternatives: AlternativeBlocks, match_blocks!