diff --git a/tracetools/src/tracetools.c b/tracetools/src/tracetools.c
index 4ea04da..4b3781e 100644
--- a/tracetools/src/tracetools.c
+++ b/tracetools/src/tracetools.c
@@ -16,7 +16,7 @@
 
 #ifndef TRACETOOLS_DISABLED
 
-#if defined(TRACETOOLS_LTTNG_ENABLED)
+#ifdef TRACETOOLS_LTTNG_ENABLED
 # include "tracetools/tp_call.h"
 # define CONDITIONAL_TP(...) \
   tracepoint(TRACEPOINT_PROVIDER, __VA_ARGS__)
@@ -26,7 +26,7 @@
 
 bool ros_trace_compile_status()
 {
-#if defined(TRACETOOLS_LTTNG_ENABLED)
+#ifdef TRACETOOLS_LTTNG_ENABLED
   return true;
 #else
   return false;
diff --git a/tracetools/src/utils.cpp b/tracetools/src/utils.cpp
index 352f0a2..ef2e9ad 100644
--- a/tracetools/src/utils.cpp
+++ b/tracetools/src/utils.cpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#if defined(TRACETOOLS_LTTNG_ENABLED)
+#ifdef TRACETOOLS_LTTNG_ENABLED
 #include <dlfcn.h>
 #include <cxxabi.h>
 #endif
@@ -20,7 +20,7 @@
 
 const char * _demangle_symbol(const char * mangled)
 {
-#if defined(TRACETOOLS_LTTNG_ENABLED)
+#ifdef TRACETOOLS_LTTNG_ENABLED
   char * demangled = nullptr;
   int status;
   demangled = abi::__cxa_demangle(mangled, NULL, 0, &status);
@@ -35,7 +35,7 @@ const char * _demangle_symbol(const char * mangled)
 
 const char * _get_symbol_funcptr(void * funcptr)
 {
-#if defined(TRACETOOLS_LTTNG_ENABLED)
+#ifdef TRACETOOLS_LTTNG_ENABLED
   Dl_info info;
   if (dladdr(funcptr, &info) == 0) {
     return SYMBOL_UNKNOWN;