diff --git a/src/mem/cache/compressors/encoders/base.hh b/src/mem/cache/compressors/encoders/base.hh
index c5f22977e6..ddc8c67567 100644
--- a/src/mem/cache/compressors/encoders/base.hh
+++ b/src/mem/cache/compressors/encoders/base.hh
@@ -38,7 +38,6 @@ namespace gem5
 
 namespace compression
 {
-GEM5_DEPRECATED_NAMESPACE(Encoder, encoder);
 namespace encoder
 {
 
diff --git a/src/mem/cache/compressors/encoders/huffman.cc b/src/mem/cache/compressors/encoders/huffman.cc
index a7f24cff94..5be3bceaef 100644
--- a/src/mem/cache/compressors/encoders/huffman.cc
+++ b/src/mem/cache/compressors/encoders/huffman.cc
@@ -37,7 +37,6 @@ namespace gem5
 
 namespace compression
 {
-GEM5_DEPRECATED_NAMESPACE(Encoder, encoder);
 namespace encoder
 {
 
diff --git a/src/mem/cache/compressors/encoders/huffman.hh b/src/mem/cache/compressors/encoders/huffman.hh
index 2ea53641da..761485486e 100644
--- a/src/mem/cache/compressors/encoders/huffman.hh
+++ b/src/mem/cache/compressors/encoders/huffman.hh
@@ -44,7 +44,6 @@ namespace gem5
 
 namespace compression
 {
-GEM5_DEPRECATED_NAMESPACE(Encoder, encoder);
 namespace encoder
 {