diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2283598e..2ac95335 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,7 +50,7 @@ else()
   if(MORE_WARNINGS)
     add_compile_options(-Werror -Wextra
                         -Walloc-zero -Wcast-align -Wcast-qual -Wduplicated-branches -Wduplicated-cond
-                        -Wfloat-equal -Winline -Wlogical-op -Wnested-externs -Wnull-dereference
+                        -Wfloat-equal -Wlogical-op -Wnested-externs -Wnull-dereference
                         -Wold-style-definition -Wshift-overflow=2 -Wstrict-overflow=5
                         -Wstrict-prototypes -Wstringop-overflow=4 -Wundef -Wuninitialized -Wunused
                         -Wshadow # TODO: -Wshadow=compatible-local ?
diff --git a/Makefile b/Makefile
index 0ab4dcd9..24f756f7 100644
--- a/Makefile
+++ b/Makefile
@@ -214,7 +214,7 @@ checkdiff:
 develop:
 	$Qenv ${MAKE} WARNFLAGS="-Werror -Wextra \
 		-Walloc-zero -Wcast-align -Wcast-qual -Wduplicated-branches -Wduplicated-cond \
-		-Wfloat-equal -Winline -Wlogical-op -Wnested-externs -Wold-style-definition \
+		-Wfloat-equal -Wlogical-op -Wnested-externs -Wold-style-definition \
 		-Wshift-overflow=2 \
 		-Wstrict-overflow=5 -Wstrict-prototypes -Wundef -Wuninitialized -Wunused \
 		-Wshadow \