diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 3cbef6318b7b..484572504b4d 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -280,11 +280,15 @@ static int erofs_fill_inode(struct inode *inode)
 	}
 
 	if (erofs_inode_is_data_compressed(vi->datalayout)) {
+#ifdef CONFIG_EROFS_FS_ZIP
 		if (!erofs_is_fscache_mode(inode->i_sb) &&
-		    inode->i_sb->s_blocksize_bits == PAGE_SHIFT)
-			err = z_erofs_fill_inode(inode);
-		else
-			err = -EOPNOTSUPP;
+		    inode->i_sb->s_blocksize_bits == PAGE_SHIFT) {
+			inode->i_mapping->a_ops = &z_erofs_aops;
+			err = 0;
+			goto out_unlock;
+		}
+#endif
+		err = -EOPNOTSUPP;
 		goto out_unlock;
 	}
 	inode->i_mapping->a_ops = &erofs_raw_access_aops;
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 126970932805..1a4d08a93339 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -423,12 +423,10 @@ enum {
 extern const struct iomap_ops z_erofs_iomap_report_ops;
 
 #ifdef CONFIG_EROFS_FS_ZIP
-int z_erofs_fill_inode(struct inode *inode);
 int z_erofs_map_blocks_iter(struct inode *inode,
 			    struct erofs_map_blocks *map,
 			    int flags);
 #else
-static inline int z_erofs_fill_inode(struct inode *inode) { return -EOPNOTSUPP; }
 static inline int z_erofs_map_blocks_iter(struct inode *inode,
 					  struct erofs_map_blocks *map,
 					  int flags)
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index d2d7fe826091..ff84533da0c4 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -7,24 +7,6 @@
 #include <asm/unaligned.h>
 #include <trace/events/erofs.h>
 
-int z_erofs_fill_inode(struct inode *inode)
-{
-	struct erofs_inode *const vi = EROFS_I(inode);
-	struct erofs_sb_info *sbi = EROFS_SB(inode->i_sb);
-
-	if (!erofs_sb_has_big_pcluster(sbi) &&
-	    !erofs_sb_has_ztailpacking(sbi) && !erofs_sb_has_fragments(sbi) &&
-	    vi->datalayout == EROFS_INODE_COMPRESSED_FULL) {
-		vi->z_advise = 0;
-		vi->z_algorithmtype[0] = 0;
-		vi->z_algorithmtype[1] = 0;
-		vi->z_logical_clusterbits = inode->i_sb->s_blocksize_bits;
-		set_bit(EROFS_I_Z_INITED_BIT, &vi->flags);
-	}
-	inode->i_mapping->a_ops = &z_erofs_aops;
-	return 0;
-}
-
 struct z_erofs_maprecorder {
 	struct inode *inode;
 	struct erofs_map_blocks *map;