diff --git a/core/encoding/base64/base64.odin b/core/encoding/base64/base64.odin
index 0677fdfb7..1488e2201 100644
--- a/core/encoding/base64/base64.odin
+++ b/core/encoding/base64/base64.odin
@@ -9,8 +9,8 @@ truncate it from the encoded output.
 */
 package encoding_base64
 
+import "base:runtime"
 import "core:io"
-import "core:mem"
 import "core:strings"
 
 ENC_TABLE := [64]byte {
@@ -110,7 +110,7 @@ DEC_URL_TABLE := [256]u8 {
 }
 
 
-encode :: proc(data: []byte, ENC_TBL := ENC_TABLE, allocator := context.allocator) -> (encoded: string, err: mem.Allocator_Error) #optional_allocator_error {
+encode :: proc(data: []byte, ENC_TBL := ENC_TABLE, allocator := context.allocator) -> (encoded: string, err: runtime.Allocator_Error) #optional_allocator_error {
 	out_length := encoded_len(data)
 	if out_length == 0 {
 		return
@@ -161,7 +161,7 @@ encoded_len :: proc(data: []byte) -> int {
 	return ((4 * length / 3) + 3) &~ 3
 }
 
-decode :: proc(data: string, DEC_TBL := DEC_TABLE, allocator := context.allocator) -> (decoded: []byte, err: mem.Allocator_Error) #optional_allocator_error {
+decode :: proc(data: string, DEC_TBL := DEC_TABLE, allocator := context.allocator) -> (decoded: []byte, err: runtime.Allocator_Error) #optional_allocator_error {
 	out_length := decoded_len(data)
 
 	out   := strings.builder_make(0, out_length, allocator) or_return
diff --git a/core/encoding/hxa/hxa.odin b/core/encoding/hxa/hxa.odin
index 9d0c58196..4ed2001d9 100644
--- a/core/encoding/hxa/hxa.odin
+++ b/core/encoding/hxa/hxa.odin
@@ -1,6 +1,6 @@
 package encoding_hxa
 
-import "core:mem"
+import "base:runtime"
 
 LATEST_VERSION :: 3
 VERSION_API :: "0.3"
@@ -16,7 +16,7 @@ Header :: struct #packed {
 File :: struct {
 	using header: Header,
 	backing:   []byte,
-	allocator: mem.Allocator,
+	allocator: runtime.Allocator,
 	nodes:     []Node,
 }
 
diff --git a/core/encoding/hxa/read.odin b/core/encoding/hxa/read.odin
index 1721bf7fc..29d57838c 100644
--- a/core/encoding/hxa/read.odin
+++ b/core/encoding/hxa/read.odin
@@ -1,7 +1,6 @@
 package encoding_hxa
 
 import "core:fmt"
-import "core:mem"
 
 Read_Error :: enum {
 	None,
@@ -45,7 +44,7 @@ read :: proc(data: []byte, filename := "<input>", print_error := false, allocato
 		}
 		ptr := raw_data(r.data[r.offset:])
 
-		value = mem.slice_ptr((^T)(ptr), count)
+		value = ([^]T)(ptr)[:count]
 		r.offset += size_of(T)*count
 		return
 	}
diff --git a/core/encoding/hxa/write.odin b/core/encoding/hxa/write.odin
index cbf9c7cb6..0716131f5 100644
--- a/core/encoding/hxa/write.odin
+++ b/core/encoding/hxa/write.odin
@@ -1,7 +1,5 @@
 package encoding_hxa
 
-import    "core:mem"
-
 Write_Error :: enum {
 	None,
 	Buffer_Too_Small,
@@ -50,7 +48,7 @@ write_internal :: proc(w: ^Writer, file: File) {
 			remaining := len(w.data) - w.offset
 			assert(size_of(T)*len(array) <= remaining)
 			ptr := raw_data(w.data[w.offset:])
-			dst := mem.slice_ptr((^T)(ptr), len(array))
+			dst := ([^]T)(ptr)[:len(array)]
 			copy(dst, array)
 		}
 		w.offset += size_of(T)*len(array)
@@ -60,7 +58,7 @@ write_internal :: proc(w: ^Writer, file: File) {
 			remaining := len(w.data) - w.offset
 			assert(size_of(byte)*len(str) <= remaining)
 			ptr := raw_data(w.data[w.offset:])
-			dst := mem.slice_ptr((^byte)(ptr), len(str))
+			dst := ([^]byte)(ptr)[:len(str)]
 			copy(dst, str)
 		}
 		w.offset += size_of(byte)*len(str)