From b35a2dffa1d1ee2a9fc6fd942c8eb6b5ebb8c4fa Mon Sep 17 00:00:00 2001
From: wheeheee <104880306+wheeheee@users.noreply.github.com>
Date: Fri, 9 Feb 2024 17:37:55 +0800
Subject: [PATCH] remove `Filter` abstract type

---
 src/Filters/stream_filt.jl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Filters/stream_filt.jl b/src/Filters/stream_filt.jl
index e43b83ea7..d7d93ece5 100644
--- a/src/Filters/stream_filt.jl
+++ b/src/Filters/stream_filt.jl
@@ -1,6 +1,5 @@
 const PFB{T} = Matrix{T}          # polyphase filter bank
 
-abstract type Filter end
 abstract type FIRKernel{T} end
 
 # Single rate FIR kernel
@@ -137,7 +136,7 @@ end
 
 
 # FIRFilter - the kernel does the heavy lifting
-mutable struct FIRFilter{Tk<:FIRKernel} <: Filter
+mutable struct FIRFilter{Tk<:FIRKernel}
     kernel::Tk
     history::Vector
     historyLen::Int