diff --git a/firmware/target/arm/as3525/dma-pl081.c b/firmware/target/arm/as3525/dma-pl081.c
index 31291a93ab..a53fde99c5 100644
--- a/firmware/target/arm/as3525/dma-pl081.c
+++ b/firmware/target/arm/as3525/dma-pl081.c
@@ -56,7 +56,7 @@ void dma_init(void)
     VIC_INT_ENABLE = INTERRUPT_DMAC;
 }
 
-inline void dma_disable_channel(int channel)
+void dma_disable_channel(int channel)
 {
     DMAC_CH_CONFIGURATION(channel) &= ~(1<<0);
 }
diff --git a/firmware/target/arm/as3525/dma-target.h b/firmware/target/arm/as3525/dma-target.h
index a64055984d..2024fab73a 100644
--- a/firmware/target/arm/as3525/dma-target.h
+++ b/firmware/target/arm/as3525/dma-target.h
@@ -37,7 +37,7 @@ void dma_init(void) INIT_ATTR;
 void dma_enable_channel(int channel, void *src, void *dst, int peri,
                         int flow_controller, bool src_inc, bool dst_inc,
                         size_t size, int nwords, void (*callback)(void));
-inline void dma_disable_channel(int channel);
+void dma_disable_channel(int channel);
 
 void dma_retain(void);
 void dma_release(void);