diff --git a/test/Performance/Perf1 b/test/Performance/Perf1
index 47bbe6626..2d8c81cf9 100644
--- a/test/Performance/Perf1
+++ b/test/Performance/Perf1
@@ -1,4 +1,4 @@
-// RUN: time LIBCLAD_TIMING=1 %cladclang %s -O3 -I%S/../../include -std=c++11 -oPerf1.out 2>&1 | FileCheck %s
+// RUN: %cladclang %s -O3 -ftime-report -I%S/../../include -std=c++11 -oPerf1.out 2>&1 | FileCheck %s
 // RUN: ./Perf1.out | FileCheck -check-prefix=CHECK-EXEC %s
 
 //#define COMPILER_TEST_ONLY
diff --git a/test/Performance/Perf2 b/test/Performance/Perf2
index fced9c919..6cc76ecc3 100644
--- a/test/Performance/Perf2
+++ b/test/Performance/Perf2
@@ -1,4 +1,4 @@
-// RUN: time LIBCLAD_TIMING=1 %cladclang %s -O3 -I%S/../../include -std=c++11 -oPerf1.out 2>&1 | FileCheck %s
+// RUN: %cladclang %s -O3 -ftime-report -I%S/../../include -std=c++11 -oPerf1.out 2>&1 | FileCheck %s
 // RUN: ./Perf1.out | FileCheck -check-prefix=CHECK-EXEC %s
 
 //#define COMPILER_TEST_ONLY
diff --git a/tools/ClangPlugin.cpp b/tools/ClangPlugin.cpp
index 2f4a06fd5..c667ddd2c 100644
--- a/tools/ClangPlugin.cpp
+++ b/tools/ClangPlugin.cpp
@@ -197,11 +197,9 @@ namespace clad {
         // derive the collected functions
 
 #if CLANG_VERSION_MAJOR > 11
-        bool WantTiming =
-            getenv("LIBCLAD_TIMING") || m_CI.getCodeGenOpts().TimePasses;
+        bool WantTiming = m_CI.getCodeGenOpts().TimePasses;
 #else
-        bool WantTiming =
-            getenv("LIBCLAD_TIMING") || m_CI.getFrontendOpts().ShowTimers;
+        bool WantTiming = m_CI.getFrontendOpts().ShowTimers;
 #endif
 
         auto DFI = m_DFC.Find(request);