diff --git a/src/lib/internal.h b/src/lib/internal.h
index 60dee6acf..4b4778feb 100644
--- a/src/lib/internal.h
+++ b/src/lib/internal.h
@@ -212,7 +212,6 @@ typedef struct ncplane {
 
   sprixel* sprite;       // pointer into the sprixel cache
   sprixcell_e* tacache;  // transparency-annihilation sprite matrix
-  int tacachey, tacachex;// tacache geometry FIXME get rid of this
 
   void* userptr;         // slot for the user to stick some opaque pointer
   int (*resizecb)(struct ncplane*); // callback after parent is resized
@@ -1431,8 +1430,6 @@ plane_blit_sixel(sprixel* spx, char* s, int bytes, int rows, int cols,
       free(n->tacache);
     }
     n->tacache = tacache;
-    n->tacachey = rows;
-    n->tacachex = cols;
     n->sprite = spx;
   }
   return 0;
diff --git a/src/lib/kitty.c b/src/lib/kitty.c
index d3b994e5a..69ea5910c 100644
--- a/src/lib/kitty.c
+++ b/src/lib/kitty.c
@@ -333,7 +333,7 @@ int kitty_blit(ncplane* n, int linesize, const void* data,
   // if we have a sprixel attached to this plane, see if we can reuse it
   // (we need the same dimensions) and thus immediately apply its T-A table.
   if(n->tacache){
-    if(n->tacachey == rows && n->tacachex == cols){
+    if(n->leny == rows && n->lenx == cols){
       tacache = n->tacache;
       reuse = true;
     }
diff --git a/src/lib/sixel.c b/src/lib/sixel.c
index de39d1db2..4f918dd2b 100644
--- a/src/lib/sixel.c
+++ b/src/lib/sixel.c
@@ -482,7 +482,7 @@ int sixel_blit(ncplane* n, int linesize, const void* data,
   // (we need the same dimensions) and thus immediately apply its T-A table.
   if(n->tacache){
 //fprintf(stderr, "IT'S A REUSE %d %d %d %d\n", n->tacachey, rows, n->tacachex, cols);
-    if(n->tacachey == rows && n->tacachex == cols){
+    if(n->leny == rows && n->lenx == cols){
       tacache = n->tacache;
       reuse = true;
     }