diff --git a/src/arch/x86/bios/intelmp.hh b/src/arch/x86/bios/intelmp.hh
index 19f2f7a9be..207b4ab61f 100644
--- a/src/arch/x86/bios/intelmp.hh
+++ b/src/arch/x86/bios/intelmp.hh
@@ -84,7 +84,6 @@ uint8_t writeOutString(PortProxy& proxy, Addr addr, std::string str,
 namespace X86ISA
 {
 
-GEM5_DEPRECATED_NAMESPACE(IntelMP, intelmp);
 namespace intelmp
 {
 
diff --git a/src/arch/x86/fs_workload.hh b/src/arch/x86/fs_workload.hh
index b40b69b3c4..5c1187cda4 100644
--- a/src/arch/x86/fs_workload.hh
+++ b/src/arch/x86/fs_workload.hh
@@ -63,7 +63,6 @@ class SMBiosTable;
 
 } // namespace smbios
 
-GEM5_DEPRECATED_NAMESPACE(IntelMP, intelmp);
 namespace intelmp
 {
 
diff --git a/src/sim/core.cc b/src/sim/core.cc
index c388652fa6..d836b550be 100644
--- a/src/sim/core.cc
+++ b/src/sim/core.cc
@@ -41,13 +41,11 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(SimClock, sim_clock);
 namespace sim_clock
 {
 /// The simulated frequency of curTick(). (In ticks per second)
 Tick Frequency;
 
-GEM5_DEPRECATED_NAMESPACE(Float, as_float);
 namespace as_float
 {
 double s;
@@ -62,7 +60,6 @@ double MHz;
 double GHz;
 } // namespace as_float
 
-GEM5_DEPRECATED_NAMESPACE(Int, as_int);
 namespace as_int
 {
 Tick s;
diff --git a/src/sim/core.hh b/src/sim/core.hh
index bd432c2d21..bac4e40003 100644
--- a/src/sim/core.hh
+++ b/src/sim/core.hh
@@ -46,12 +46,10 @@ namespace gem5
 
 /// These are variables that are set based on the simulator frequency
 ///@{
-GEM5_DEPRECATED_NAMESPACE(SimClock, sim_clock);
 namespace sim_clock
 {
 extern Tick Frequency; ///< The number of ticks that equal one second
 
-GEM5_DEPRECATED_NAMESPACE(Float, as_float);
 namespace as_float
 {
 
@@ -81,7 +79,6 @@ extern double GHz; ///< GHz
  *
  * @{
  */
-GEM5_DEPRECATED_NAMESPACE(Int, as_int);
 namespace as_int
 {
 extern Tick s;  ///< second
diff --git a/src/sim/pseudo_inst.cc b/src/sim/pseudo_inst.cc
index 28b5619a16..55e44c7adc 100644
--- a/src/sim/pseudo_inst.cc
+++ b/src/sim/pseudo_inst.cc
@@ -76,7 +76,6 @@ namespace gem5
 
 using namespace statistics;
 
-GEM5_DEPRECATED_NAMESPACE(PseudoInst, pseudo_inst);
 namespace pseudo_inst
 {
 
diff --git a/src/sim/pseudo_inst.hh b/src/sim/pseudo_inst.hh
index 4794a41ffe..ba15370c55 100644
--- a/src/sim/pseudo_inst.hh
+++ b/src/sim/pseudo_inst.hh
@@ -55,7 +55,6 @@
 namespace gem5
 {
 
-GEM5_DEPRECATED_NAMESPACE(PseudoInst, pseudo_inst);
 namespace pseudo_inst
 {