diff --git a/Makefile.old b/Makefile.old
deleted file mode 100644
index fef8c50..0000000
--- a/Makefile.old
+++ /dev/null
@@ -1,8 +0,0 @@
-all:
-	g++ mmw.cpp --std=c++1z -shared -fPIC -Ofast -march=native -g0 -s -o mmw.so
-avx512:
-	g++ mmw.cpp --std=c++1z -shared -fPIC -Ofast -mavx512f -g0 -s -o mmw.so
-debug:
-	g++ mmw.cpp --std=c++1z -shared -fPIC -O0 -march=native -g3 -o mmw.so
-clean:
-	rm  mmw.so -rf
diff --git a/csv.dylib b/csv.dylib
deleted file mode 100644
index 3dc33e4..0000000
Binary files a/csv.dylib and /dev/null differ
diff --git a/header.k b/header.k
deleted file mode 100644
index 7be225d..0000000
--- a/header.k
+++ /dev/null
@@ -1,68 +0,0 @@
-import`csv
-
-md:{y-x*_y%x}
-
-maxs:{[L]{max(x, y)}\L}
-mins:{[L]{min(x, y)}\L}
-sums:{[L]{(x + y)}\L}
-
-avgsimpl:{[L;i] curr:L[i]%(i+1); $[i<(#L)-1;curr, avgsimpl[L;i+1];curr]}
-avgs:{[L] avgsimpl[sums[L];0]}
-
-/ maxswimp:{[L;w;i] curr:max(L@(((i-w)+!w)|0)); $[i<#L;curr, maxswimp[L; w; i + 1];curr]}
-/ maxsw:{[w;L]maxswimp[L; w; 1]}
-
-/ minswimp:{[L;w;i] curr:min(L@(((i-w)+!w)|0)); $[i<#L;curr, maxswimp[L; w; i + 1];curr]}
-/ minsw:{[w;L]minswimp[L;w;1]}
-
-/ avgswimp:{[L;w;s;i] s:(s+L[i])-L[i-w];curr:s%((i+1)&w);$[i<(#L)-1; curr, avgswimp[L; w; s; i+1]; curr]}
-/ avgsw:{[w;L] avgswimp[L;w;0;0]}
-
-/ sumswimp:{[L;w;s;i] s:(s+L[i])-L[i-w];$[i<(#L)-1; s, sumswimp[L; w; s; i+1]; s]}
-/ sumsw:{[w;L] sumswimp[L;w;0;0]}
-
-
-groupby0:{[L] 
-            {[x;y]
-                x:$[(@x)=`i;(,(L[0]))!,(,0);x];
-                k:(,(L[y]));gvk:x[k][0];
-                found:$[(gvk[0]+gvk[1])>0;1;L[y] in !x];
-                cg:(,L[y])!$[found;,gvk[0],y;,(,y)];
-                (x,cg)}/!(#L)}
-
-groupBy:{[x]groupBySingle:{[a;x]
-        findAll:{[c;xx]
-            f:{[i;c]$[(c[0])[i]~c[1];i+1;0]};
-            @[!#xx;!#xx;f;(#xx)#,(xx;c)]};
-        z:findAll[a;x];
-        b:(findAll[0;z]_(!(1+#z)))-1;(a;b)};
-    x:+x;y:?x;
-    @[y;!#y;groupBySingle;(#y)#,x]}
-
-groupby:{[L]
-        L:^+L;
-        dimy:(#(L[0]))-1;
-        ((({[L;dim;x;y] 
-            x:$[x~0;(,(dim#(L[0])),0);x];
-            curr:dim#(L[y]);
-            $[(dim#*x)~curr;x;((,curr,y),x)]}[L;dimy])/!(#L));(+L)[dimy]) }
-
-lststr:{[L](+({[x;y] ($x,$y)}/L))[0]}
-delist:{[L] $[(@L)in(`LL`LC`LG`L);delist[(,/L)];L]}
-cntlist:{[L;i] $[(@L)in(`LL`LC`LG`L);cntlist[(,/L);i+1];i+1]}
-flatRO:{[x]x[0],/:x[1]}
-flatLO:{[x]x[0],\:x[1]}
-flatBOTH:{[x],/(x[0],/:\:x[1])}
-
-
-sumswkrl:{[L;w;x;y] ((x-L[y-w])+L[y])}
-sumsw:{[w;L] $[(#L)=0;L;(sumswkrl[L;w])\@[!#L;0;L[file 0]]]}
-avgswkrl:{[L;w;x;y] (x-(L[y-w]-L[y])%w)}
-avgsw:{[w;L] $[(#L)=0;L;(avgswkrl[L;w])\@[!#L;0;L[0]]]}
-
-/ minsw:{[w;L] ({[L;w;x] min(L[$[x>w;(!w) + ((x-w)+1);!(x+1)]])}[L;w])'!#L}
-import`mmw
-minsw:{[w;L] ret:L; mmw[ret;((`g ($@ret)[0]), (#ret), w, 65536)];ret}
-maxsw:{[w;L] ret:L; mmw[ret;((`g ($@ret)[0]), (#ret), w, 65537)];ret}
-minswip:{[w;L] mmw[L;((`g ($@L)[0]), (#L), w, 65536)];}
-maxswip:{[w;L] mmw[L;((`g ($@L)[0]), (#L), w, 65537)];}
\ No newline at end of file
diff --git a/join.k b/join.k
deleted file mode 100644
index 0a220d8..0000000
--- a/join.k
+++ /dev/null
@@ -1 +0,0 @@
-{[I;L;R;i] t:&(I[i]);d:(#t);$[d=0;!0;+(Aa[t];Ab[t];d#(Bb[i]))]}[(Aa {x>(y*10)}/: Ba); Aa; Ba]'!#Aa
\ No newline at end of file
diff --git a/libcsv.a b/libcsv.a
deleted file mode 100644
index 036fac9..0000000
Binary files a/libcsv.a and /dev/null differ
diff --git a/mmw.dylib b/mmw.dylib
deleted file mode 100644
index dea9d80..0000000
Binary files a/mmw.dylib and /dev/null differ
diff --git a/mmw.so b/mmw.so
deleted file mode 100644
index dd2900d..0000000
Binary files a/mmw.so and /dev/null differ
diff --git a/out_working.cpp b/out_working.cpp
deleted file mode 100644
index 5fbb369..0000000
--- a/out_working.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "./server/libaquery.h"
-#include <cstdio>
-#include <threads.h>
-extern "C" int dllmain(Context *cxt)
-{
-    auto stocks = new TableInfo<int, int>("stocks", 2);
-    cxt->tables.insert(std::make_pair("stocks", stocks));
-    stocks->colrefs[0].ty = types::AINT;
-    stocks->colrefs[1].ty = types::AINT;
-    auto &stocks_0 = *(ColRef<int> *)(&stocks->colrefs[0]);
-    auto &stocks_1 = *(ColRef<int> *)(&stocks->colrefs[1]);
-    stocks_0.emplace_back(1);
-    stocks_1.emplace_back(15);
-    stocks_0.emplace_back(2);
-    stocks_1.emplace_back(19);
-    stocks_0.emplace_back(3);
-    stocks_1.emplace_back(16);
-    stocks_0.emplace_back(4);
-    stocks_1.emplace_back(17);
-    stocks_0.emplace_back(5);
-    stocks_1.emplace_back(15);
-    stocks_0.emplace_back(6);
-    stocks_1.emplace_back(13);
-    stocks_0.emplace_back(7);
-    stocks_1.emplace_back(5);
-    stocks_0.emplace_back(8);
-    stocks_1.emplace_back(8);
-    stocks_0.emplace_back(9);
-    stocks_1.emplace_back(7);
-    stocks_0.emplace_back(10);
-    stocks_1.emplace_back(13);
-    stocks_0.emplace_back(11);
-    stocks_1.emplace_back(11);
-    stocks_0.emplace_back(12);
-    stocks_1.emplace_back(14);
-    stocks_0.emplace_back(13);
-    stocks_1.emplace_back(10);
-    stocks_0.emplace_back(14);
-    stocks_1.emplace_back(5);
-    stocks_0.emplace_back(15);
-    stocks_1.emplace_back(2);
-    stocks_0.emplace_back(16);
-    stocks_1.emplace_back(5);
-    printf("%d\n", max(stocks_0 - min(stocks_1)));
-    return 0;
-}
\ No newline at end of file