diff --git a/src/libs/utils/hostosinfo.cpp b/src/libs/utils/hostosinfo.cpp
index cbdb3525ae1..4d24b2307f1 100644
--- a/src/libs/utils/hostosinfo.cpp
+++ b/src/libs/utils/hostosinfo.cpp
@@ -36,17 +36,6 @@ OsArch HostOsInfo::hostArchitecture()
     return arch;
 }
 
-bool HostOsInfo::isRunningUnderRosetta()
-{
-#ifdef Q_OS_MACOS
-    int translated = 0;
-    auto size = sizeof(translated);
-    if (sysctlbyname("sysctl.proc_translated", &translated, &size, nullptr, 0) == 0)
-        return translated;
-#endif
-    return false;
-}
-
 void HostOsInfo::setOverrideFileNameCaseSensitivity(Qt::CaseSensitivity sensitivity)
 {
     m_useOverrideFileNameCaseSensitivity = true;
diff --git a/src/libs/utils/hostosinfo.h b/src/libs/utils/hostosinfo.h
index fa153f24d54..144d5d95484 100644
--- a/src/libs/utils/hostosinfo.h
+++ b/src/libs/utils/hostosinfo.h
@@ -55,8 +55,6 @@ public:
 #endif
     }
 
-    static bool isRunningUnderRosetta();
-
     static QString withExecutableSuffix(const QString &executable)
     {
         return OsSpecificAspects::withExecutableSuffix(hostOs(), executable);
diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
index 5fc11644137..3e219a23725 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
@@ -1455,20 +1455,11 @@ CMakeBuildConfiguration::CMakeBuildConfiguration(Target *target, Id id)
                                           return QString();
                                       });
 
-    macroExpander()->registerVariable(CMAKE_OSX_ARCHITECTURES_FLAG,
-                                      Tr::tr("The CMake flag for the architecture on macOS"),
-                                      [target] {
-                                          if (HostOsInfo::isRunningUnderRosetta()) {
-                                              if (auto *qt = QtSupport::QtKitAspect::qtVersion(target->kit())) {
-                                                  const Abis abis = qt->qtAbis();
-                                                  for (const Abi &abi : abis) {
-                                                      if (abi.architecture() == Abi::ArmArchitecture)
-                                                          return QLatin1String("-DCMAKE_OSX_ARCHITECTURES=arm64");
-                                                  }
-                                              }
-                                          }
-                                          return QLatin1String();
-                                      });
+    macroExpander()->registerVariable(
+        CMAKE_OSX_ARCHITECTURES_FLAG, Tr::tr("The CMake flag for the architecture on macOS"), [] {
+            // TODO deprecated since Qt Creator 15, remove later
+            return QString();
+        });
     macroExpander()->registerVariable(QT_QML_DEBUG_FLAG,
                                       Tr::tr("The CMake flag for QML debugging, if enabled"),
                                       [this] {
@@ -1568,8 +1559,6 @@ CMakeBuildConfiguration::CMakeBuildConfiguration(Target *target, Id id)
                 cmd.addArg("%{" + QLatin1String(DEVELOPMENT_TEAM_FLAG) + "}");
                 cmd.addArg("%{" + QLatin1String(PROVISIONING_PROFILE_FLAG) + "}");
             }
-        } else if (device && device->osType() == Utils::OsTypeMac) {
-            cmd.addArg("%{" + QLatin1String(CMAKE_OSX_ARCHITECTURES_FLAG) + "}");
         }
 
         if (isWebAssembly(k) || isQnx(k) || isWindowsARM64(k)) {
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index e234aefc216..3fb47e92163 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -211,10 +211,7 @@ void LldbEngine::setupEngine()
     if (runParameters().debugger.workingDirectory.isDir())
         m_lldbProc.setWorkingDirectory(runParameters().debugger.workingDirectory);
 
-    if (HostOsInfo::isRunningUnderRosetta())
-        m_lldbProc.setCommand(CommandLine("/usr/bin/arch", {"-arm64", lldbCmd.toString()}));
-    else
-        m_lldbProc.setCommand(CommandLine(lldbCmd));
+    m_lldbProc.setCommand(CommandLine(lldbCmd));
 
     m_lldbProc.start();
 }
diff --git a/src/plugins/qmakeprojectmanager/qmakestep.cpp b/src/plugins/qmakeprojectmanager/qmakestep.cpp
index fc8f446bf3e..3ab605595e2 100644
--- a/src/plugins/qmakeprojectmanager/qmakestep.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakestep.cpp
@@ -648,12 +648,6 @@ void QMakeStep::updateAbiWidgets()
                         }
                     }
                 }
-            } else if (qtVersion->hasAbi(Abi::DarwinOS) && !isIos(target()->kit()) && HostOsInfo::isRunningUnderRosetta()) {
-                // Automatically select arm64 when running under Rosetta
-                for (const Abi &abi : abis) {
-                    if (abi.architecture() == Abi::ArmArchitecture)
-                        selectedAbis.append(abi.param());
-                }
             }
         }