diff --git a/src/base/statistics.cc b/src/base/statistics.cc
index c3801436e7..2fddf1bab6 100644
--- a/src/base/statistics.cc
+++ b/src/base/statistics.cc
@@ -53,7 +53,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/statistics.hh b/src/base/statistics.hh
index 24cbf714f5..8156be5a79 100644
--- a/src/base/statistics.hh
+++ b/src/base/statistics.hh
@@ -91,7 +91,6 @@ namespace gem5
 {
 
 /* A namespace for all of the Statistics */
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/group.cc b/src/base/stats/group.cc
index d5626e6bb1..93e7183f0e 100644
--- a/src/base/stats/group.cc
+++ b/src/base/stats/group.cc
@@ -47,7 +47,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/group.hh b/src/base/stats/group.hh
index bd1183e4a9..3c11e61138 100644
--- a/src/base/stats/group.hh
+++ b/src/base/stats/group.hh
@@ -74,7 +74,6 @@ namespace gem5
 
 #define ADD_STAT(n, ...) n(this, #n, __VA_ARGS__)
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/group.test.cc b/src/base/stats/group.test.cc
index e2e059830c..5a7cde4928 100644
--- a/src/base/stats/group.test.cc
+++ b/src/base/stats/group.test.cc
@@ -255,10 +255,10 @@ TEST(StatsGroupTest, ConstructTwoLevelsUnbalancedTree)
     ASSERT_EQ(node2_2.getStatGroups().size(), 0);
 }
 
-class DummyInfo : public Stats::Info
+class DummyInfo : public statistics::Info
 {
   public:
-    using Stats::Info::Info;
+    using statistics::Info::Info;
 
     int value = 0;
 
@@ -266,7 +266,7 @@ class DummyInfo : public Stats::Info
     void prepare() override {}
     void reset() override { value = 0; }
     bool zero() const override { return false; }
-    void visit(Stats::Output &visitor) override {}
+    void visit(statistics::Output &visitor) override {}
 };
 
 /** Test adding stats to a group. */
diff --git a/src/base/stats/hdf5.cc b/src/base/stats/hdf5.cc
index 03574b2e4d..be548bf806 100644
--- a/src/base/stats/hdf5.cc
+++ b/src/base/stats/hdf5.cc
@@ -59,7 +59,6 @@ bool emptyStrings(const T &labels)
 }
 
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/hdf5.hh b/src/base/stats/hdf5.hh
index 7fa99991a6..ac21ee8af1 100644
--- a/src/base/stats/hdf5.hh
+++ b/src/base/stats/hdf5.hh
@@ -53,7 +53,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/info.cc b/src/base/stats/info.cc
index c40b55918e..06e7ec977d 100644
--- a/src/base/stats/info.cc
+++ b/src/base/stats/info.cc
@@ -52,7 +52,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/info.hh b/src/base/stats/info.hh
index 9a5e2e77ab..98859cb0d9 100644
--- a/src/base/stats/info.hh
+++ b/src/base/stats/info.hh
@@ -43,7 +43,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/output.hh b/src/base/stats/output.hh
index 39b0804a40..23531e8493 100644
--- a/src/base/stats/output.hh
+++ b/src/base/stats/output.hh
@@ -49,7 +49,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/storage.cc b/src/base/stats/storage.cc
index 6b32dc501a..3b2c091815 100644
--- a/src/base/stats/storage.cc
+++ b/src/base/stats/storage.cc
@@ -46,7 +46,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/storage.hh b/src/base/stats/storage.hh
index cf22e10080..eb1873b934 100644
--- a/src/base/stats/storage.hh
+++ b/src/base/stats/storage.hh
@@ -42,7 +42,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/text.cc b/src/base/stats/text.cc
index db5743ac57..36282a35d7 100644
--- a/src/base/stats/text.cc
+++ b/src/base/stats/text.cc
@@ -67,7 +67,6 @@ constexpr auto Nan = std::numeric_limits<float>::quiet_NaN();
 
 } // anonymous namespace
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/text.hh b/src/base/stats/text.hh
index 4bbe3eadfe..7be498d8da 100644
--- a/src/base/stats/text.hh
+++ b/src/base/stats/text.hh
@@ -53,7 +53,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/types.hh b/src/base/stats/types.hh
index 92d594ab77..14f89caff3 100644
--- a/src/base/stats/types.hh
+++ b/src/base/stats/types.hh
@@ -39,7 +39,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/base/stats/units.hh b/src/base/stats/units.hh
index 52e2e57ce8..fe5b23d878 100644
--- a/src/base/stats/units.hh
+++ b/src/base/stats/units.hh
@@ -75,7 +75,6 @@ namespace gem5
         UNIT_UNSPECIFIED, statistics::units::Unspecified::get(), \
         "Use statistics::units::Unspecified::get()")
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/python/pybind11/stats.cc b/src/python/pybind11/stats.cc
index 2c60b47ee4..266f47e52a 100644
--- a/src/python/pybind11/stats.cc
+++ b/src/python/pybind11/stats.cc
@@ -83,7 +83,6 @@ cast_stat_info(const statistics::Info *info)
 #undef TRY_CAST
 }
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/sim/power/mathexpr_powermodel.hh b/src/sim/power/mathexpr_powermodel.hh
index 25338eea43..f05214a16f 100644
--- a/src/sim/power/mathexpr_powermodel.hh
+++ b/src/sim/power/mathexpr_powermodel.hh
@@ -47,7 +47,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
     class Info;
diff --git a/src/sim/stat_control.cc b/src/sim/stat_control.cc
index c388539551..99c694a384 100644
--- a/src/sim/stat_control.cc
+++ b/src/sim/stat_control.cc
@@ -57,7 +57,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/sim/stat_control.hh b/src/sim/stat_control.hh
index 22d3134370..35d3ea8fcb 100644
--- a/src/sim/stat_control.hh
+++ b/src/sim/stat_control.hh
@@ -48,7 +48,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/sim/stat_register.cc b/src/sim/stat_register.cc
index fb3db1e4b1..5e4bf3908e 100644
--- a/src/sim/stat_register.cc
+++ b/src/sim/stat_register.cc
@@ -42,7 +42,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {
 
diff --git a/src/sim/stat_register.hh b/src/sim/stat_register.hh
index d2504f3f02..e84e8ebdb6 100644
--- a/src/sim/stat_register.hh
+++ b/src/sim/stat_register.hh
@@ -47,7 +47,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(Stats, statistics);
 namespace statistics
 {