diff --git a/src/core/coap/coap.cpp b/src/core/coap/coap.cpp
index e84ffabb7..67a3cf4ab 100644
--- a/src/core/coap/coap.cpp
+++ b/src/core/coap/coap.cpp
@@ -604,7 +604,7 @@ exit:
 
     if (error != OT_ERROR_NONE)
     {
-        otLogInfoCoapErr(error, "Failed to process request");
+        otLogInfoCoap("Failed to process request: %s", otThreadErrorToString(error));
 
         if (error == OT_ERROR_NOT_FOUND && !aMessageInfo.GetSockAddr().IsMulticast())
         {
diff --git a/src/core/common/logging.hpp b/src/core/common/logging.hpp
index 5efdbbb57..0f03854ba 100644
--- a/src/core/common/logging.hpp
+++ b/src/core/common/logging.hpp
@@ -1129,16 +1129,12 @@ extern "C" {
 #define otLogWarnCoap(aFormat, ...) otLogWarn(OT_LOG_REGION_COAP, _OT_REGION_COAP_PREFIX aFormat, ##__VA_ARGS__)
 #define otLogNoteCoap(aFormat, ...) otLogNote(OT_LOG_REGION_COAP, _OT_REGION_COAP_PREFIX aFormat, ##__VA_ARGS__)
 #define otLogInfoCoap(aFormat, ...) otLogInfo(OT_LOG_REGION_COAP, _OT_REGION_COAP_PREFIX aFormat, ##__VA_ARGS__)
-#define otLogInfoCoapErr(aError, aFormat, ...)                                                                \
-    otLogInfo(OT_LOG_REGION_COAP, _OT_REGION_COAP_PREFIX "Error %s: " aFormat, otThreadErrorToString(aError), \
-              ##__VA_ARGS__)
 #define otLogDebgCoap(aFormat, ...) otLogDebg(OT_LOG_REGION_COAP, _OT_REGION_COAP_PREFIX aFormat, ##__VA_ARGS__)
 #else
 #define otLogCritCoap(aFormat, ...)
 #define otLogWarnCoap(aFormat, ...)
 #define otLogNoteCoap(aFormat, ...)
 #define otLogInfoCoap(aFormat, ...)
-#define otLogInfoCoapErr(aError, aFormat, ...)
 #define otLogDebgCoap(aFormat, ...)
 #endif